石こく

noun

koku; unit of volume (approx. 180.4 L)

Historical Japanese unit of volume, primarily used for rice. One koku was considered the amount needed to feed one person for one year. Still encountered in historical and cultural contexts.

• 江え戸ど時じ代だい、大だい名みょうの収しゅう入にゅうは石こく高だかで表あらわされた。

  In the Edo period, a daimyo's income was expressed in koku.

• 一いっ石こくは約やく180リットルです。

  One koku is about 180 liters.

noun

ship capacity unit (approx. 278.26 L)

Specialized measure for Japanese-style boats' loading capacity. Rare outside maritime history contexts.

• 一いっ石こくは米こめの体たい積せきの単たん位いだった。

  One koku was a unit of rice volume.