Definitions:
a large semiaquatic broad-tailed rodent native to north america and northern eurasia. it is noted for its habit of gnawing through trees to fell them in order to make dams.

a boy aged about 6 or 7 who is an affiliated member of the scout association.

work hard

the lower part of the face guard of a helmet in a suit of armour. the term is also used to refer to the upper part or visor, or to a single movable guard.

a woman's genitals or pubic area.

a bearded man.