覆

silk pouch with drawstring for holding a tea caddy (tea ceremony)

turning upside down

cover; covering

cover crop

kai-awase; Heian-period shell-matching game

gold trimmings; golden trimmings

Linguistics

bound form (in Japanese morphology); covered form

fickle friendship

ejector housing (rifle, pistol)

Mathematics

open cover

fire resistive covering; fireproof coating; fireproof covering

fire resistive covering material

fukubachi; inverted bowl that sits above the base of a pagoda finial