Tusked var addthis_config = {"data_track_addressbar":true};

Tusked is a Tyranid Biomorph.

In 4th Edition large tusks of adamantium-laced chitin extend from the head of the Tyranid and this allows them to initiate a devastating charge, often breaking through ranks of troops by smashing them aside.^1-p33

Sources

• ¹:Codex: Tyranids (4th Edition) (identical entry in Warhammer 40,000: Wargear p62)