bickern

Century Dictionary and Cyclopedia

1. n. An anvil with two projecting, tapering ends; hence, one such end; a beak-iron.
2. n. Medieval milit., a name for the martel-de-fer, in allusion to its double head, of which one side was made pointed and the other blunt; any similar double-headed weapon or tool.
3. n. Any iron implement ending in a beak: as if a contracted form of beak-iron (which see).
4. n. Also beckern.

Wiktionary

1. n. An anvil with two projecting taper ends.

GNU Webster's 1913

1. n. An anvil ending in a beak or point (orig. in two beaks); also, the beak or horn itself.