Zimbabwe law describes the coat of arms as follows:[1] ARMS: Vert, a representation of a portion of the Great Zimbabwe proper; on a chief argent seven palets wavy azure.CREST: On a wreath or and vert a mullet gules debruised by a representation of the Great Zimbabwe Bird or.Official authorisation by Royal Warrant for the coat of arms was granted on 11 August 1924.[4] The shield features a red lion passant and two thistles, taken from the family arms of Cecil Rhodes,[4] after whom the colony was named, and the Latin motto Sit Nomine Digna (May She Be Worthy of the Name) is a reference to Rhodes.The pick, in gold on a green field, represents mining, the economic mainstay of the colony.