for grains of rice; one koku is equal to approximately 180 litres / (by extension, historical) for land of famous daimyo or samurai; one koku is also approximately 180 litres

stone / needle made of stone / go stone / something solid but worthless / Short for 石見国 (Iwami-no-kuni): Iwami Province

stone; rock

(traditional Chinese phonology) the rhyme of a Chinese syllable

(traditional Chinese phonology) the onset of a Chinese syllable

Clipping of 航空母艦 (kōkū bokan, “aircraft carrier”).

a woman who is impregnated and gives birth for another woman: a surrogate mother

a woman who is impregnated and gives birth for another woman: a surrogate mother

(rare, dated) true mother, as opposed to step-mother or foster mother

godmother