v. i. 1. To make an addition. To add to, to augment; to increase; as, it adds to our anxiety. “I will add to your yoke.” 1 Kings xii. 14. [ 1913 Webster ]

2. To perform the arithmetical operation of addition; as, he adds rapidly. [ 1913 Webster ]

v. t. [ imp. & p. p. Added; p. pr. & vb. n. Adding. ] [ L. addere; ad + dare to give, put. Cf. Date, Do. ] 1. To give by way of increased possession (to any one); to bestow (on). [ 1913 Webster ]

The Lord shall add to me another son. Gen. xxx. 24. [ 1913 Webster ]

2. To join or unite, as one thing to another, or as several particulars, so as to increase the number, augment the quantity, enlarge the magnitude, or so as to form into one aggregate. Hence: To sum up; to put together mentally; as, to add numbers; to add up a column. [ 1913 Webster ]

Back to thy punishment,
False fugitive, and to thy speed add wings. Milton. [ 1913 Webster ]

As easily as he can add together the ideas of two days or two years. Locke. [ 1913 Webster ]

3. To append, as a statement; to say further. [ 1913 Webster ]

He added that he would willingly consent to the entire abolition of the tax. Macaulay. [ 1913 Webster ]

Syn. -- To Add, Join, Annex, Unite, Coalesce. We add by bringing things together so as to form a whole. We join by putting one thing to another in close or continuos connection. We annex by attaching some adjunct to a larger body. We unite by bringing things together so that their parts adhere or intermingle. Things coalesce by coming together or mingling so as to form one organization. To add quantities; to join houses; to annex territory; to unite kingdoms; to make parties coalesce. [ 1913 Webster ]

a. [ Add, v. + -able. ] Addible. [ 1913 Webster ]

n. [ Native name. ] (Zool.) One of the largest African antelopes (Hippotragusnasomaculatus or Oryx nasomaculatus). [ 1913 Webster ]

☞ It is now believed to be the Strepsiceros (twisted horn) of the ancients. By some it is thought to be the pygarg of the Bible. [ 1913 Webster ]

adj. 1. being in addition [ to something else ] [ Narrower terms: accessorial ] additional, further(prenominal), more(prenominal) --- (used with mass nouns: "takes on added significance"; "asked for additional help"; "we have further information"; "there will be further delays"; "kids have more fun than anybody") [ Narrower terms: another(prenominal), other(prenominal), else(postnominal), extra, intercalary ] [ Narrower terms: superimposed ] [ Narrower terms: supplementary, supplemental ] [ Narrower terms: value-added ] subtracted [ WordNet 1.5 ]

v. t. [ Pref. a- + deem. ] To award; to adjudge. [ Obs. ] “Unto him they did addeem the prise.” Spenser. [ 1913 Webster ]

n. 1. a number that is added to another number. [ WordNet 1.5 ]

‖n.; pl. Addenda [ L., fr. addere to add. ] A thing to be added; an appendix or addition. [ 1913 Webster ]

Addendum circle (Mech.), the circle which may be described around a circular spur wheel or gear wheel, touching the crests or tips of the teeth. Rankine. [ 1913 Webster ]

n. [ OE. addere, naddere, eddre, AS. nædre, adder, snake; akin to OS. nadra, OHG. natra, natara, Ger. natter, Goth. nadrs, Icel. naðr, masc., naðra, fem.: cf. W. neidr, Gorn. naddyr, Ir. nathair, L. natrix, water snake. An adder is for a nadder. ] 1. A serpent. [ Obs. ] “The eddre seide to the woman.” Wyclif. Gen. iii. 4. ) [ 1913 Webster ]

2. (Zool.) (a) A small venomous serpent of the genus Vipera. The common European adder is the Vipera berus or Pelias berus. The puff adders of Africa are species of Clotho. (b) In America, the term is commonly applied to several harmless snakes, as the milk adder, puffing adder, etc. (c) Same as Sea Adder. [ 1913 Webster ]

☞ In the sculptures the appellation is given to several venomous serpents, -- sometimes to the horned viper (Cerastles). [ 1913 Webster ]

n. [ See Add. ] One who, or that which, adds; esp., a machine for adding numbers. [ 1913 Webster ]