Definition of elk
plural elks
1
plural usually elk
a
: moose 1
—used for one of the Old World
b
: a large gregarious deer (Cervus elaphus) of North America, Europe, Asia, and northwestern Africa with the male having large antlers and many tines and that often form large herds
Note:
The North American elk is sometimes considered to constitute a separate species (C. canadensis).
— called also
red deer, wapiti
c
: any of various large Asian deer
2
: soft tanned rugged leather
3
capitalized
[Benevolent and Protective Order of Elks]
: a member of a major benevolent and fraternal order 
