Used other than figuratively or idiomatically: see 基地, 外.

(Internet slang) Eye dialect spelling of 気違い.

secret base (of the military, of children, etc.)

(of a projectile, e.g. bullet) to hit (a target) / (of a prediction or insight) to be correct; to be accurate

(slang) 10,000 yen / (slang) 10,000 yen note

auspicious dream

(networking) base station

A group of onmitsu, government-employed undercover agents, established by the 8th Tokugawa shogun, Tokugawa Yoshimune (1684–1751). Sometimes described as ninja.

airbase (military airport)

the middle of a play, during a play / within a television show