凹雕 Traditional form: 凹雕 Pinyin (reading): āodiāo Definitions: to engrave to carve into Characters: 凹 - concave, hollow; depressed; pass, valley 雕 - to carve, to engrave; eagle, vulture Traditional characters: 凹 - concave, hollow; depressed; pass, valley 雕 - to carve, to engrave; eagle, vulture