Also called American elk, wapiti.a large North American deer, Cervus canadensis, the male of which has large, spreading antlers.
3.
a pliable leather used for sport shoes, made originally of elk hide but now of calfskin or cowhide tanned and smoked to resemble elk hide.
4.
(initial capital letter) a member of a fraternal organization (Benevolent and Protective Order of Elks) that supports or contributes to various charitable causes.
Origin: bef. 900; ME; OE eolc,eolh; c. G Elch (OHG el(a)ho), L alcēs, Gk álkē
[elk] 
) elk for 1, 2.