'Crosspiece' definitions:

Definition of 'crosspiece'

From: WordNet
noun
A horizontal beam that extends across something [syn: trave, traverse, crossbeam, crosspiece]
noun
A transverse brace

Definition of 'Crosspiece'

From: GCIDE
  • Crosspiece \Cross"piece`\ (kr?s"p?s`; 115), n.
  • 1. A piece of any structure which is fitted or framed crosswise. [1913 Webster]
  • 2. (Naut.) A bar or timber connecting two knightheads or two bitts. [1913 Webster]