n. The wooden mold in which cheese is pressed. Simmonds. [ 1913 Webster ]

n. pl. [ Cf. F. chassis a framework of carpenty. ] (Mil.) The platforms, consisting of two or more planks doweled together, for the flooring of a temporary military bridge. Wilhelm. [ 1913 Webster ]

☞A singular, chess, is sometimes used. “Each chess consists of three planks.” Farrow. [ 1913 Webster ]