History
History
Synonyms
UK
US
Meaning:
beam

a long piece of wood etc used in building etc

length of material used as support

lintel

a horizontal piece of wood or stone forming the top of the frame of a door or window

length of material used as support

rafter

one of the sloping beams of a roof

beam

TWO-BY-FOUR as in Wiktionary
TWO-BY-FOUR as in Wikipedia