Search the Dictionary

A depression in coal strata, hollowed out before the subsequent deposition took place. [Eng.]

a well or spring is situated; especially, one built over a mineral spring. (b) (Naut.) A depression in the bottom of a boat, into which water may run, and whence it is thrown out with a scoop. -- Well sinker, one who sinks or digs wells. -- Well sinking, the art or process of sinking or digging wells. -- Well stair…

er; 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 t…