Their human countenance
The express resemblance of the gods. Milton. [ 1913 Webster ]

2. Directly and distinctly stated; declared in terms; not implied or left to inference; made unambiguous by intention and care; clear; not dubious; as, express consent; an express statement. [ 1913 Webster ]

I have express commandment. Shak. [ 1913 Webster ]

3. Intended for a particular purpose; relating to an express; sent on a particular errand; dispatched with special speed; as, an express messenger or train. Also used adverbially. [ 1913 Webster ]

A messenger sent express from the other world. Atterbury. [ 1913 Webster ]

2. of or pertaining to an express train or other conveyance designated an express{ 5 }; makiung few or no intermediate stops; as, an express stop; an express fare; an express elevator. [ PJC ]

Express color. (Law) See the Note under Color, n., 8.

Syn. -- Explicit; clear; unambiguous. See Explicit. [ 1913 Webster ]

The only remanent express of Christ's sacrifice on earth. Jer. Taylor. [ 1913 Webster ]

2. A messenger sent on a special errand; a courier; hence, a regular and fast conveyance; commonly, a company or system for the prompt and safe transportation of merchandise or parcels. [ 1913 Webster ]

3. An express office. [ 1913 Webster ]

She charged him . . . to ask at the express if anything came up from town. E. E. Hale. [ 1913 Webster ]

4. That which is sent by an express messenger or message. [ Obs. ] Eikon Basilike. [ 1913 Webster ]

5. a railway train or bus for transporting passengers or goods with speed and punctuality; a train or bus that does not stop at certain stations. Contrasted to local; as, take the express to get there faster.
Syn. -- express train. [ PJC ]

Express office, an office where packages for an express are received or delivered. --
Express train, a railway train (such as a subway train) that does not stop at certain stations, but only at stations designated express stops. [ 1913 Webster ]

All the fruits out of which drink is expressed. Bacon. [ 1913 Webster ]

And th'idle breath all utterly expressed. Spenser. [ 1913 Webster ]

Halters and racks can not express from thee
More than by deeds. B. Jonson. [ 1913 Webster ]

2. To make or offer a representation of; to show by a copy or likeness; to represent; to resemble. [ 1913 Webster ]

Each skillful artist shall express thy form. E. Smith. [ 1913 Webster ]

So kids and whelps their sires and dams express. Dryden. [ 1913 Webster ]

3. To give a true impression of; to represent and make known; to manifest plainly; to show in general; to exhibit, as an opinion or feeling, by a look, gesture, and esp. by language; to declare; to utter; to tell. [ 1913 Webster ]

My words express my purpose. Shak. [ 1913 Webster ]

They expressed in their lives those excellent doctrines of morality. Addison. [ 1913 Webster ]

4. To make known the opinions or feelings of; to declare what is in the mind of; to show (one's self); to cause to appear; -- used reflexively. [ 1913 Webster ]

Mr. Phillips did express with much indignation against me, one evening. Pope. [ 1913 Webster ]

5. To denote; to designate. [ 1913 Webster ]

Moses and Aaron took these men, which are expressed by their names. Num. i. 17. [ 1913 Webster ]

6. To send by express messenger; to forward by special opportunity, or through the medium of an express; as, to express a package.

7. (Genetics) to produce products that cause the appearance of the corresponding phenotype; -- of a gene or of an organism with a specific gene; as, to express the beta-galactosidase gene, [ PJC ]

Syn. -- To declare; utter; signify; testify; intimate. [ 1913 Webster ]

2. Precisely and clearly expressed, leaving nothing to implication. Opposite of implicit. [ Narrower terms: graphic ] Also See: definite, denotative, denotive, overt, open, unequivocal, unambiguous.
Syn. -- explicit, express. [ WordNet 1.5 ]

2. The act of declaring or signifying; declaration; utterance; as, an expression of the public will. [ 1913 Webster ]

With this tone of philosophy were mingled expressions of sympathy. Prescott. [ 1913 Webster ]

3. Lively or vivid representation of meaning, sentiment, or feeling, etc.; significant and impressive indication, whether by language, appearance, or gesture; that manner or style which gives life and suggestive force to ideas and sentiments; as, he reads with expression; her performance on the piano has expression. [ 1913 Webster ]

The imitators of Shakespeare, fixing their attention on his wonderful power of expression, have directed their imitation to this. M. Arnold. [ 1913 Webster ]

4. That which is expressed by a countenance, a posture, a work of art, etc.; look, as indicative of thought or feeling. “The expression of an eye.” Tennyson. [ 1913 Webster ]

It still wore the majesty of expression so conspicuous in his portraits by the inimitable pencil of Titian. Prescott. [ 1913 Webster ]

5. A form of words in which an idea or sentiment is conveyed; a mode of speech; a phrase; as, a common expression; an odd expression. [ 1913 Webster ]

6. (Math.) The representation of any quantity or relation by appropriate characters or symbols, usually in a specific order. [ 1913 Webster +PJC ]

7. (Genetics) the production of products by a gene that cause the appearance of the corresponding protein or phenotype; -- of a gene or of an organism with a specific gene; as, the expression the beta-galactosidase positive phenotype, [ PJC ]

8. (Computers) a combination of characters linked by operators, occurring as part of the code of a computer program, which must be evaluated according to the rules of the computer language in order to produce a resulting value. [ PJC ]

In most programming languages, (a + b) is an expression indicating simple arithmetic addition, if the variables a and b are real numbers. Many other types of operation may be used in programs, and each set of symbols indicating an operation is an expression in that program. [ PJC ]

Past expression,
Beyond expression, beyond the power of description. “Beyond expression bright.” Milton. [ 1913 Webster ]

2. a genre of German painting that tried to show the subjective responses to scenes rather than the scenes themselves. [ WordNet 1.5 ]