Synonyms for Tusk (same or very similar meaning)
WordNet sense 1 (a hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses):
ivoryWordNet sense 2 (stab or pierce with a horn or tusk):
hornWordNet sense 3 (remove the tusks of animals):
detuskFrom the ODE community, based on WordNetadd/edit