Definition of 自家薬籠 (じかやくろう)

noun
(something that is) available for use at any time, (someone who is) at one's beck and call, (something over which) one has complete mastery(yojijukugo)
Related Kanji
oneself
house, home, family, professional, expert, performer
medicine, chemical, enamel, gunpowder, benefit
basket, devote oneself, seclude oneself, cage, coop, implied