BUR

bur, burr

(noun) small bit used in dentistry or surgery

bur, burr

(noun) seed vessel having hooks or prickles

bur, burr

(verb) remove the burrs from

Source: WordNet® 3.1

Etymology

Noun

bur (plural burs)

A rough, prickly husk around the seeds or fruit of some plants.

Any of several plants having such husks.

A rotary cutting implement having a selection of variously shaped heads.

Alternative form of burr (small piece of material)

Anagrams

• RUB, bru, rub

Source: Wiktionary

Bur, Burr, n. Etym: [OE. burre burdock; cf. Dan. borre, OSw. borra, burdock, thistle; perh. akin to E. bristle (burr- for burz-), or perh. to F. bourre hair, wool, stuff; also, according to Cotgrave, "the downe, or hairie coat, wherewith divers herbes, fruits, and flowers, are covered," fr. L. burrae trifles, LL. reburrus rough.]

1. (Bot.)

Definition: Any rough or prickly envelope of the seeds of plants, whether a pericarp, a persistent calyx, or an involucre, as of the chestnut and burdock. Also, any weed which bears burs. Amongst rude burs and thistles. Milton. Bur and brake and brier. Tennyson.

2. The thin ridge left by a tool in cutting or shaping metal. See Burr, n., 2.

3. A ring of iron on a lance or spear. See Burr, n., 4.

4. The lobe of the ear. See Burr, n., 5.

5. The sweetbread.

6. A clinker; a partially vitrified brick.

7. (Mech.) (a) A small circular saw. (b) A triangular chisel. (c) A drill with a serrated head larger than the shank; -- used by dentists.

8. Etym: [Cf. Gael. borr, borra, a knob, bunch.] (Zoöl.)

Definition: The round knob of an antler next to a deer's head. [Commonly written burr.] Bur oak (Bot.), a useful and ornamental species of oak (Quercus macrocarpa) with ovoid acorns inclosed in deep cups imbricated with pointed scales. It grows in the Middle and Western United States, and its wood is tough, close-grained, and durable.

– Bur reed (Bot.), a plant of the genus Sparganium, having long ribbonlike leaves.

Source: Webster’s Unabridged Dictionary 1913 Edition