plural of beam tree

(architecture) A horizontal piece of timber connecting and tying together two opposite rafters.

To rise up and strike the beam; said of the lighter arm of a loaded balance; hence, to be found lacking in weight, or of little importance.

(shipbuilding) A half beam to support a deck, where hatchways occur.

(science fiction) Alternative form of pressor beam

(science fiction) A device that generates a beam that repels other objects; or the beam itself.

(science fiction) A device that emits an energy beam capable of pushing away other objects.

The horizontal cross timber which goes through the wall or a pier, and upon which the weight of the wall rests, when a building is shored up to enable alterations in the lower part.

(construction) A beam of considerable span, without central support; the tie beam of a truss. / (nautical) A beam that supports the side of a paddle box.

A beam one of whose sides (commonly the underside) swells out like the belly of a fish.