Dictionary / Vocabulary / 一画
いっかく
one plot (of land); one (city) block; one area; one lot
Also written 一劃
これでこの一画は少なくとも20匹ニジマスがいるわけだ。
So now there are at least 20 rainbow trout in this area.
私は生まれてこの方同じ隣人で、この一画に住んでいます。
I have lived on this block, and next to the same neighbor, all my life.