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TOEFL BNC: 20433 COCA: 11726

beaver
1 beaver /ˈbiːvɚ/ noun
plural beaver or beavers
1 beaver
/ˈbiːvɚ/
noun
plural beaver or beavers
Learner's definition of BEAVER
1 
[count] : a small animal that has thick, brown fur and a wide, flat tail, that cuts down trees with its teeth, and that builds dams and underwater houses with mud and branches河狸；海狸 — often used before another noun常用于另一名词前
— see picture at rodent
2 
[noncount] : the fur of a beaver海狸毛皮
— often used before another noun常用于另一名词前
— see also eager beaver
2 beaver /ˈbiːvɚ/ verb
beavers; beavered; beavering
2 beaver
/ˈbiːvɚ/
verb
beavers; beavered; beavering
Learner's definition of BEAVER

beaver away

[phrasal verb] informal
: to work in a very active and energetic way勤奋工作
— often + at
TOEFL BNC: 20433 COCA: 11726

beaver

1 of 3

noun (1)

bea·​ver ˈbē-vər How to pronounce beaver (audio)
plural beavers
1
or plural beaver
a
: either of two large semiaquatic herbivorous rodents comprising a family (Castoridae including Castor canadensis of North America and C. fiber of Eurasia), having webbed hind feet and a broad flat scaly tail, and constructing dams and partially submerged lodges
b
: the fur or pelt of the beaver
2
a
: a hat made of beaver fur or a fabric imitation
b
: silk hat
3
: a heavy fabric of felted wool or of cotton napped on both sides
4
vulgar : the genitals of a female especially when covered with pubic hair

beaver

2 of 3

noun (2)

1
: a piece of armor protecting the lower part of the face
2
: a helmet visor

Illustration of beaver

Illustration of beaver
  • B beaver 1

beaver

3 of 3

verb

beavered; beavering; beavers

intransitive verb

: to work energetically
beavering away at the problem

Synonyms

Verb

Word History

Etymology

Noun (1)

Middle English bever, from Old English beofor; akin to Old High German bibar beaver, and probably to Old English brūn brown — more at brown

Noun (2)

Middle English baviere, from Middle French

First Known Use

Noun (1)

before the 12th century, in the meaning defined at sense 1a

Noun (2)

15th century, in the meaning defined at sense 1

Verb

1946, in the meaning defined above

Time Traveler
The first known use of beaver was before the 12th century

Phrases Containing beaver
TOEFL BNC: 20433 COCA: 11726

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