'Crossbeam' definitions:

Definition of 'crossbeam'

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

Definition of 'Crossbeam'

From: GCIDE
  • Crossbeam \Cross"beam`\ (-b[=e]m`). n.
  • 1. (Arch.) A girder. [1913 Webster]
  • 2. (Naut.) A beam laid across the bitts, to which the cable is fastened when riding at anchor. [1913 Webster]