BOOM n.
way. Boom iron, one of the iron rings on the yards through which the studding-sail booms traverse. -- The booms, that space on the upper deck of a ship between the foremast and mainmast, where the boats, spare spars, etc., are stowed. Totten.
BOX n.
varieties, being very hard and smooth, is extensively used in the arts, as by turners, engravers, mathematical instrument makers, etc. Box elder, the ash-leaved maple (Negundo aceroides), of North America. -- Box holly, the butcher's broom (Russus aculeatus). -- Box thorn, a shrub (Lycium barbarum). -- Box tree, the…
CHEVAL-DE-FRISE n.
A piece of timber or an iron barrel traversed with iron-pointed spikes or spears, five or six feet long, used to defend a passage, stop a breach, or impede the advance of cavalry, etc. Obstructions of chain, boom, and cheval-de-frise. W. Irving.