/beuh ras"keuh/ , n.
(esp. in the Mediterranean) a squall, usually accompanied by thunder and lightning.
Also, borasco /beuh ras"koh/ , borasque /beuh rask"/ .
[ 1680-90; bor ( r ) asca, equiv. to borr- ( borrâs, Attic var. of BORÉAS north wind) + -asca (n. suffix; perh. of pre-L orig.); r. borasque ]