—n. 1. a large, amphibious rodent of the genus Castor, having sharp incisors, webbed hind feet, and a flattened tail, noted for its ability to dam streams with trees, branches, etc.
2. the fur of this animal.
3. a flat, round hat made of beaver fur or a similar fabric.
4. a tall, cylindrical hat for men, formerly made of beaver and now of a fabric simulating this fur. Cf. opera hat, silk hat, top hat. 5. Informal.a full beard or a man wearing one.
6. Informal.an exceptionally active or hard-working person.
a. a woman's pubic area.
b. Offensive.a woman.
8. Textiles. a. a cotton cloth with a thick nap, used chiefly in the manufacture of work clothes.
b. (formerly) a heavy, soft, woolen cloth with a thick nap, made to resemble beaver fur.
9. (cap.) a native or inhabitant of Oregon, the Beaver State (used as a nickname).
—v.i. Brit.to work very hard or industriously at something (usually fol. by away).
Pronunciation: (bē'vur),[key] —n.Armor. 1. a piece of plate armor for covering the lower part of the face and throat, worn esp. with an open helmet, as a sallet or basinet. Cf. buffe, wrapper (def. 7).
2. a piece of plate armor, pivoted at the sides, forming part of a close helmet below the visor or ventail. See diag. under close helmet.