Kyūjitai form of 売買: trade - selling and buying

(informal) Used to sign off a message/attribute a text.

to sell

(usually in Chinese contexts) the Japanese plum or apricot, Prunus mume / (historical, colloquial) Synonym of 天神 (tenjin): the second-highest ranked prostitute in Edo-period Kamigata, below the 大夫 (tayū)

plum / Short for 梅雨 (baiu): East Asian rainy season / Short for 梅毒 (baidoku): syphilis

a surname

to buy

Babylonia japonica: the Japanese babylon or Japanese ivory shell

part-time job, especially for students (as opposed to one's main occupation when it is only part time) / part-time worker

medium (the material or empty space through which signals, waves or forces pass) / medium (a format for communicating or presenting information) / vector (carrier of a disease-causing agent)