芥子

the opium poppy, Papaver somniferum

any other species of the Papaver genus; a poppy

(archaic) Synonym of 芥子菜 (karashina): the Indian mustard, Brassica juncea

Short for 芥子玉 (keshidama): a dyeing pattern with lined rows of dots

Short for 芥子坊主 (keshi bōzu): an infant hairstyle with only the hair in the top of the head unshaven, resembling the hull remains of a poppy fruit

(prefixed to nouns) something tiny

an armor decoration in the form of studs resembling poppy seeds