The Collaborative International Dictionary of English v.0.48:
Tusker \Tusk"er\ (t[u^]sk"[~e]r), n. 1. (Zool.) An elephant having large tusks. [1913 Webster] 2. (Zool.) A large wild boar. [Webster 1913 Suppl.]WordNet (r) 3.0 (2006):
tusker n 1: any mammal with prominent tusks (especially an elephant or wild boar)