Help Wordnik hunt for a million missing words by backing our Kickstarter!


from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A steel beam with a hollow rectangular cross section; used for constructing bridges

from the GNU version of the Collaborative International Dictionary of English

  • n. a box beam.
  • n.

from The Century Dictionary and Cyclopedia

  • n. In mech., a kind of girder resembling a box, made of boilerplates fastened together by angle-irons riveted to the top and bottom plates.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a beam built up from boards; has a hollow rectangular cross section


Sorry, no etymologies found.


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.