crossbeam

n horizontal beam between two supporting parts of a structure; girder 横梁; 大梁.

cross-fertilization, -isation, cross-fertilize, cross-fertilise, cross-fire, cross-grained, cross-hatch, cross-hatching, cross-legged, cross-patch, cross-piece, cross-ply, cross-purposes, cross-question, cross-reference, cross-section, cross-stitch, cross-talk, cross-town, cross-trees, cross-wind, crossbar, crossbow, crossed, crossfire, crossing, crossly, crossroads, crosswalk, crosswise, crossword, crotch, crotchet, crotchety, crouch, croup, croupier, crouton, crow, crow's-feet, crow's-nest, crowbar,