3. The margin of a watercourse; the rising ground bordering a lake, river, or sea, or forming the edge of a cutting, or other hollow.
Tiber trembled underneath her banks.
Shak.
4. An elevation, or rising ground, under the sea; a shoal, shelf, or shallow; as, the banks of Newfoundland.
5. (Mining) (a) The face of the coal at which miners are working. (b) A deposit of ore or coal, worked by excavations above water level. (c) The ground at the top of a shaft; as, ores are brought to bank.
Bank beaver (Zoöl.), the otter. [Local, U.S.] -- Bank swallow, a small American and European swallow (Clivicola riparia) that nests in a hole which it excavates in a bank.
Bank, v. t. [imp. & p. p. Banked(bkt); p. pr. & vb. n. Banking.] 1. To raise a mound or dike about; to inclose, defend, or fortify with a bank; to embank. "Banked well with earth." Holland.