plural of beam compass

a device for creating circular curves, which has a central pivot pin, and an outer curb scribing point, connected by a horizontal beam

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.

plural of pressor beam

plural of repulsor beam

plural of presser beam

(science fiction) Alternative form of pressor beam