noun.
A horizontal or transverse beam, especially a structural beam resting on two supports.
The Century Dictionary and Cyclopedia
noun.
A large beam going from wall to wall, or a girder that holds the sides of a building together; any beam that crosses another, or is laid or secured across supports, as in machinery or a ship.
the GNU version of the Collaborative International Dictionary of English
noun.
A girder.
noun.
A beam laid across the bitts, to which the cable is fastened when riding at anchor.