Bo·wer n.
1. One who bows or bends.
2. Naut. An anchor carried at the bow of a ship.
3. A muscle that bends a limb, esp. the arm. [Obs.]
His rawbone arms, whose mighty brawned bowers
Were wont to rive steel plates and helmets hew. --Spenser.
Best bower, Small bower. See the Note under Anchor.