noun:

• war started or ended with the push of a single 'launch' button - obscure term - From English "button war"

noun:

• Russo-Turkish War (1877-1878) - obscure term ➜ 露土戦争

noun:

• United Nations Convention on the Law of the Sea - obscure term ➜ 国連海洋法条約

noun:

• United Nations Conference on the Human Environment - obscure term ➜ 国連人間環境会議

noun:

• police officer - obscure term

noun:

• balsam fir (Abies balsamea) - obscure term ➜ バルサム樅

noun:

• civet cat - obscure term ➜ 麝香猫

noun:

• Khoi (people); Khoikhoi; Khoi-khoin - obscure term ➜ ホッテントット

noun:

• armadillo - obscure term ➜ アルマジロ

noun:

• armadillo - obscure term ➜ アルマジロ

noun:

• beefwood (Casuarina equisetifolia) - obscure term ➜ 木麻黄

noun:

• pit (of a fruit); stone - obscure term
• core
• tongue (piece of wood used to connect two boards)
• clitoris

noun:

• honey badger (Mellivora capensis) - obscure term ➜ ラーテル

expression:

• Well, look at that... - used when someone ignores your advice and ultimately fails at something - obscure term ➜ それ見たことか

noun:

• pejorative term; derogatory word; invective - obscure term ➜ 軽蔑語

noun:

• bad habit; harm - obscure term

noun:

• pig and dog - archaism - obscure term
• dullard; halfwit
• my child - humble language

noun:

• somnambulism; sleepwalking - obscure term ➜ 夢遊病

noun:

• lava spine - obscure term

noun:

• Iceland moss (Cetraria islandica); Iceland lichen - obscure term

noun:

• Iceland moss (Cetraria islandica); Iceland lichen - obscure term

noun:

• volcanic sand - obscure term

noun:

• crumbly black topsoil - obscure term ➜ ぼくぼく
• porous hardened lava

noun:

• volcanic dust - obscure term

adjective:

• dull; slow; stupid - derogatory term ➜ とろい