'Mopboard' definitions:

Definition of 'mopboard'

From: WordNet
noun
A molding covering the joint formed by a wall and the floor [syn: baseboard, mopboard, skirting board]

Definition of 'Mopboard'

From: GCIDE
  • Mopboard \Mop"board`\, n. (Carp.) A narrow board nailed against the wall of a room next to the floor; skirting board; baseboard. See Baseboard. [1913 Webster]