It means vessel, cup, bowl.
1º_ Concavity, hollow part of a piece or body. 2º_ For the above, vessel, bowl or bowl, usually without handles; also a basket or cuezo. 3º_ Cuenco (Cuencu, in Asturian) is a town in the Principality of Asturias (Spain).
BOWL: Aragon, BREW basket.
ground plateau high, flat, large, surrounded of valleys and ravines