From baqaq; a bottle (from the gurgling in emptying) -- bottle, cruse.
see HEBREW baqaq
H1228. baqbuq
בַּקְבֻּק noun [masculine] flask (from gurgling sound of emptyIng, compare Arabic gurgling sound; also Syriac , cantharus, etc.) — absolute בַּקְבֻּק Jeremiah 19:10; construct id. 1 Kings 14:3; Jeremiah 19:1.