1. A mound, pile, or ridge of earth, raised above the surrounding level; hence, anything shaped like a mound or ridge of earth; as, a bank of clouds; a bank of snow. They cast up a bank against the city. (2 sam. Xx. 15)
2. A steep acclivity, as the slope of a hill, or the side of a ravine.
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. (Science: chemical) The face of the coal at which miners are working. A deposit of ore or coal, worked by excavations above water level.
The ground at the top of a shaft; as, ores are brought to bank.
(Science: zoology) bank beaver, the otter. Bank swallow, a small American and European swallow (Clivicola riparia) that nests in a hole which it excavates in a bank.
Origin: oe. Banke; akin to E. Bench, and prob. Of Scand. Origin.; cf. Icel. Bakki. See bench.