Definition of "tusk" [tusk]

• An elongated pointed tooth, usually one of a pair, extending outside of the mouth in certain animals such as the walrus, elephant, or wild boar. Also called regionally tush2. (noun)
• A long projecting tooth or toothlike part. (noun)
• To gore or dig with the tusks or a tusk. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Though seemingly rigid and hard, the tusk is like a membrane with an extremely sensitive surface, capable of detecting changes in water temperature, pressure, and particle gradients."
• "Now that my tusk is ugly too, I can't sleep nights just thinking about how completely ugly I am, and I weep all the time."
• "The departure of this tusk is really a great relief to me, for it had come down from its socket till I looked like one of the three fabled cabirii of Samothrace, who had got and kept possession of the solitary tooth they owned amongst them, and it shook and rattled in my mouth, so that I felt as if I was talking to a castanet accompaniment."