noun:

• trout - obscure term
• Japanese dace (Tribolodon hakonensis) ［はらあか］
• Nibe croaker (Nibea mitsukurii) ［はらか］

noun:

• common Douglas fir (Pseudotsuga menziesii) - obscure term ➜ 米松

noun:

• incarcerating a criminal in a temple as a form of punishment (popular during the latter Muromachi and Azuchi-Momoyama periods) - obscure term ➜ 寺入り

noun:

• blue mackerel (Scomber australasicus) - obscure term ➜ 胡麻鯖

noun:

• eastern pale clouded yellow (butterfly, Colias erate) - obscure term ➜ 紋黄蝶

noun:

• Hegira; Hejira; Hijra - obscure term ➜ ヒジュラ

noun:

• vegetable-based food (incl. nuts, berries, etc., but excl. all meat and fish) - obscure term ➜ 生臭物

noun:

• ubame oak (Quercus phillyraeoides) - obscure term ➜ 姥目樫

noun:

• ping pong dash; ding dong dash - obscure term ➜ ピンポンダッシュ

noun:

• grass sickle - obscure term ➜ 草刈鎌

noun:

• lichen - obscure term ➜ 地衣類

noun:

• fragrant oil; essential oil - obscure term ➜ 精油

noun:

• bones of the feet - obscure term
• the strength of one's feet

noun / ~の noun:

• bones of the palm (esp. the metacarpals, but sometimes also including the carpals) - obscure term ➜ 中手骨

noun:

• bones of the upper and lower leg - obscure term

noun / ~する noun:

• returning to a club (one was formerly a member of) - colloquialism - obscure term

noun:

• numismatics - obscure term ➜ 古銭学

noun:

• Japanese white pine (Pinus parviflora) - obscure term ➜ 五葉松

noun:

• Simon bamboo (Pleioblastus simonii) - obscure term
• any thin, but flexible bamboo

noun:

• Simon bamboo (Pleioblastus simonii) - obscure term ➜ 女竹

noun:

• Crusade - obscure term ➜ 十字軍

noun:

• crusader - obscure term

noun:

• bat - obscure term

noun:

• sedimentary rock - obscure term ➜ 堆積岩

noun:

• chert - obscure term ➜ チャート