also: たない
noun
seed rice soaking pool
Agricultural term for a pool or basin used to soak seed rice before planting, typically in traditional rice cultivation.
昔の農家では、種井で種もみを水に浸してから苗代にまいた。
In old farmhouses, they soaked seed rice in a seed soaking pool before sowing it in the nursery bed.
Compound of 種 (たね, 'seed') and 井 (い, 'well'). The reading たない is a historical or dialectal variant.