noun:

• bombardier beetle (esp. species Pheropsophus jessoensis) - obscure term ➜ 三井寺歩行虫・屁っ放り虫【へっぴりむし】
• stink bug ➜ 椿象

noun:

• large, high mountain - obscure term

noun:

• lophophorate (a tube worm, moss animal or lampshell) - obscure term ➜ 触手動物

noun:

• electric catfish (any species of family Malapteruridae, esp. species Malapterurus electricus) - obscure term ➜ 電気鯰

noun:

• Nirvana principle - obscure term ➜ 涅槃原則

noun:

• corkscrew - obscure term ➜ コルク抜き

noun:

• read-write basis - obscure term

noun:

• warfarin - obscure term

noun:

• Edo-era street merchant who carried wares hanging from a pole, hawking them in the street - obscure term

noun / ~する noun:

• abandonment; rejection - obscure term

ichidan verb / intransitive verb:

• to be conceited - archaism - obscure term ➜ 慢ずる

noun:

• lipstick - obscure term

noun:

• Oxford school (of analytic philosophy) - obscure term ➜ 日常言語学派

noun:

• hyle - obscure term - From Greek ➜ 質料

noun:

• time ball - obscure term ➜ 時球

suffix noun:

• office - obscure term ➜ 事務所

noun:

• new currency - obscure term

noun:

• rotting; spoiling; decaying; corroding - derogatory term

prefix:

• rotten; worthless; paltry; contemptible

noun:

• scar - obscure term ➜ 引き攣り
• spasm; twitch; cramp ➜ 引き攣り

noun:

• reckless courage; foolhardiness; temerity - obscure term

noun:

• galley; ship's kitchen - obscure term - obsolete term

noun:

• cooking by boiling - obscure term

noun:

• galley stovepipe - obscure term - obsolete term

noun:

• double hat-trick - derogatory term

adjectival noun:

• woman who has a good body but an unattractive face

noun:

• furnace (for casting bronze) - obscure term