Mop, n.
1. An implement for washing floors, or the like, made of a piece of cloth, or a collection of thrums, or coarse yarn, fastened to a handle.
2. A fair where servants are hired. [Prov. Eng.]
3. The young of any animal; also, a young girl; a moppet. [Prov. Eng.]
Mop head. (a) The end of a mop, to which the thrums or rags are fastened. (b) A clamp for holding the thrums or rags of a mop. [U.S.]