Ma'anar ƙamus na kalmar "axillary cavity" tana nufin takamaiman kalma mai alaƙa da jikin ɗan adam. Shi ne sararin samaniya mai zurfi ko maɗaukaki wanda yake a cikin axilla ko yanki, wanda aka kafa ta hanyar haɗin hannu na sama da gefen kirji. Kogon axillary ya ƙunshi sassa daban-daban masu mahimmanci irin su tasoshin jini, jijiyoyi, kumburin lymph, da kitse, kuma yana aiki azaman hanyar wucewa don waɗannan sifofi don tafiya tsakanin hannu da ƙirji. Hakanan ana kiranta da axillary fossa ko rami mai ɗaki.