Whirl″pool′ (?), n.
1. An eddy or vortex of water; a place in a body of water where the water moves round in a circle so as to produce a depression or cavity in the center, into which floating objects may be drawn; any body of water having a more or less circular motion caused by its flowing in an irregular channel, by the coming together of opposing currents, or the like.
2. A sea monster of the whale kind. Spenser.
The Indian Sea breedeth the most and the biggest fishes that are; among which the whales and whirlpools, called “balænæ,” take up in length as much as four... arpents of land. Holland.