/an'dreuh koh"nee euhm/ , n. , pl. androconia /-nee euh/ .
a scale on the forewing of certain male butterflies from which an odor attractive to females is emitted.
[ 1875-80; andro- ANDRO- + -conium kónion, neut. of kónios dusty ( kóni ( s ) dust + -os adj. suffix) ]