The verb meaning to cut, grip, pierce, or tear with the teeth is bite. The word also has several noun definitions, most having to do with biting and stinging. A bight is (1) a loop in a rope, and (2) a bend in a shoreline or the bay formed by such a bend.
The inflected forms of bite are bit and bitten.
But the pizza compels your attention to the last bite. [azcentral.com]
But just when you think you’re going well, and I was playing well, Augusta jumped up and bit me at the 11th. [Express]
This government has already bitten off far more than it can chew. [Sydney Morning Herald]