vaina

scabbard, sheath; case, casing; pod; bubble; an insulating or isolated environment.; thing

“Entre los dos yacía en el piso una vaina de cartucho de revólver.” — On the floor between the two lay a revolver cartridge case.

Etymology tree Proto-Italic *wāgīnā Latin vāgīna Old Spanish vayna Spanish vaina From Old Spanish vayna (“sheath”), inherited from Latin vāgīna (“sheath”). Doublet of vagina. Cognate with Sicilian vajina.