noun
also bur·gau bərˈgau̇ ; or bur·go -gō
( -s )
Etymology: American Spanish & French & Portuguese; American Spanish burgao & French burgau, from Portuguese burgó, burgão, from Tupi perigoá
: a common top shell ( Livona pica ) of the West Indies whose flesh is esteemed as food and whose shell is used in making buttons and ornamental novelties