2. Attached to, found in or upon, or frequenting, woods or trees; as, arboreal animals. [ 1913 Webster ]

Woodpeckers are eminently arboreal. Darwin. [ 1913 Webster ]

2. Pertaining to, or growing on, trees; as, arboreous moss. Quincy. [ 1913 Webster ]

Among thick-woven arborets, and flowers
Imbordered on each bank. Milton. [ 1913 Webster ]

2. To be pierced or penetrated by an instrument that cuts as it turns; as, this timber does not bore well, or is hard to bore. [ 1913 Webster ]

3. To push forward in a certain direction with laborious effort. [ 1913 Webster ]

They take their flight . . . boring to the west. Dryden. [ 1913 Webster ]

4. (Man.) To shoot out the nose or toss it in the air; -- said of a horse. Crabb. [ 1913 Webster ]

2. The internal cylindrical cavity of a gun, cannon, pistol, or other firearm, or of a pipe or tube. [ 1913 Webster ]

The bores of wind instruments. Bacon. [ 1913 Webster ]

Love's counselor should fill the bores of hearing. Shak. [ 1913 Webster ]

3. The size of a hole; the interior diameter of a tube or gun barrel; the caliber. [ 1913 Webster ]

4. A tool for making a hole by boring, as an auger. [ 1913 Webster ]

5. Caliber; importance. [ Obs. ] [ 1913 Webster ]

Yet are they much too light for the bore of the matter. Shak. [ 1913 Webster ]

6. A person or thing that wearies by prolixity or dullness; a tiresome person or affair; any person or thing which causes ennui. [ 1913 Webster ]

It is as great a bore as to hear a poet read his own verses. Hawthorne. [ 1913 Webster ]

I'll believe as soon this whole earth may be bored. Shak. [ 1913 Webster ]

2. To form or enlarge by means of a boring instrument or apparatus; as, to bore a steam cylinder or a gun barrel; to bore a hole. [ 1913 Webster ]

Short but very powerful jaws, by means whereof the insect can bore, as with a centerbit, a cylindrical passage through the most solid wood. T. W. Harris. [ 1913 Webster ]

3. To make (a passage) by laborious effort, as in boring; as, to bore one's way through a crowd; to force a narrow and difficult passage through. “What bustling crowds I bored.” Gay. [ 1913 Webster ]

4. To weary by tedious iteration or by dullness; to tire; to trouble; to vex; to annoy; to pester. [ 1913 Webster ]

He bores me with some trick. Shak. [ 1913 Webster ]

Used to come and bore me at rare intervals. Carlyle. [ 1913 Webster ]

5. To befool; to trick. [ Obs. ] [ 1913 Webster ]

I am abused, betrayed; I am laughed at, scorned,
Baffled and bored, it seems. Beau. & Fl. [ 1913 Webster ]

So from their own clear north in radiant streams,
Bright over Europe bursts the boreal morn. Thomson. [ 1913 Webster ]

2. (Biogeography) Designating or pertaining to a terrestrial division consisting of the northern and mountainous parts of both the Old and the New World; -- equivalent to the Holarctic region exclusive of the Transition, Sonoran, and corresponding areas. The term is used by American authors and applied by them chiefly to the Nearctic subregion. The Boreal region includes approximately all of North and Central America in which the mean temperature of the hottest season does not exceed 18° C. (= 64.4° F.). Its subdivisions are the Arctic zone and
Boreal zone, the latter including the area between the Arctic and Transition zones. [ Webster 1913 Suppl. ]

2. uninterested because of frequent exposure or indulgence. Opposite of interested.
Syn. -- blase. [ WordNet 1.5 ]

2. The realm of bores; bores, collectively. [ 1913 Webster ]

2. (Zool.) (a) A marine, bivalve mollusk, of the genus Teredo and allies, which burrows in wood. See Teredo. (b) Any bivalve mollusk (Saxicava, Lithodomus, etc.) which bores into limestone and similar substances. (c) One of the larvæ of many species of insects, which penetrate trees, as the apple, peach, pine, etc. See Apple borer, under Apple. (d) The hagfish (Myxine). [ 1913 Webster ]

2. A shotgun that is made with such a bore. [ Webster 1913 Suppl. ]

2. A song or chant made for such a festivity. [ Webster 1913 Suppl. ]

3. A festivity or social gathering, esp. one of a noisy or uproarious character; hence, tumult; uproar. [ Australia ] [ Webster 1913 Suppl. ]

2. A kind of pin drill with the cutting edge or edges normal to the axis; -- used for enlarging a hole, or for forming a flat-bottomed recess at its mouth. [ 1913 Webster ]

2. To enlarge the bore of a gun barrel by drawing, instead of thrusting, a revolving tool through it. [ 1913 Webster ]

Geneva was . . . a harborer of exiles for religion. Strype. [ 1913 Webster ]

1. (Bot.) A genus of perennial herbs (Helleborus) of the Crowfoot family, mostly having powerfully cathartic and even poisonous qualities. Helleborus niger is the European black hellebore, or Christmas rose, blossoming in winter or earliest spring. Helleborus officinalis was the officinal hellebore of the ancients. [ 1913 Webster ]

2. (Bot.) Any plant of several species of the poisonous liliaceous genus Veratrum, especially Veratrum album and Veratrum viride, both called white hellebore. [ 1913 Webster ]

2. Northern; belonging to, or inhabiting, a region in very far north; most northern; hence, very cold; fright, as, a hyperborean coast or atmosphere. [1913 Webster]

The hyperborean or frozen sea. C. Butler (1633). [1913 Webster]

2. An inhabitant of the most northern regions. [ 1913 Webster ]

A Calcutta-made pony cart had been standing in front of the manager's bungalow when Raja Singh started on his jamboree. W. A. Fraser. [ Webster 1913 Suppl. ]

2. a large festive gathering. [ PJC ]

3. an assembly of boy scouts, usually at the national or international level, including camping among the activities; -- a term adopted by the Boy Scouts organization. [ PJC ]

2. appearing to require strong effort; as, labored breathing.
Syn. -- heavy, laboured. [ WordNet 1.5 ]