noun:

• first period (e.g. first class in school day)

noun:

• status of residence (in Japan); visa status; residence qualification

noun:

• ranking system based on dan and kyū (in martial arts, go, shogi, etc.) ➜ 級・段

noun:

• spiracle (respiratory pores in the body of insects)

noun:

• recruit (former rank in the JSDF) - obsolete term

noun:

• Eptatretus (genus of hagfish in the family Myxinidae)

noun:

• Parmaturus (genus containing 9 species of catshark in the family Scyliorhinidae)

noun:

• subentry (in dictionary) ➜ 子見出し【こみだし】

ichidan verb / intransitive verb:

• to fail (in getting a job); to miss out (at fishing, hunting, etc.)
• to be left out; to be crowded out

noun:

• adulterous partner (in a relationship); adulterous lover

noun:

• place of worship (in Okinawa) ➜ 礼拝所

noun:

• the force (in Star Wars) ➜ フォース

godan ~く verb:

• to have a facial tattoo (esp. one around the eye, one form of punishment in ancient Japan) - was v4k - archaism - obscure term

noun:

• sick house (as in "sick house syndrome")

noun:

• nap room (e.g. for doctors in an emergency ward, or firefighters in a fire station)

noun:

• chignon (in a Japanese hair-style)

noun:

• silkworm (in the first or second instar) ➜ 毛蚕

noun:

• reflexive pronoun (in Japanese grammar only) - obscure term - Linguistics term ➜ 再帰代名詞

noun:

• ineffective or wasted move (in go or shogi)

noun:

• coilgun (gun in which a magnetic projectile is propelled using electromagnetic coils)

noun:

• daggernose shark (Isogomphodon oxyrhynchus, species of requiem shark found in Trinidad, Guyana, Suriname, French Guiana, and Brazil)

noun:

• scale (i.e. hard water coating in a kettle, etc.); fur

noun:

• redundancy (in information theory) - IT term

noun:

• permanent establishment (in tax law) - Law term

noun:

• off topic (e.g. in a web forum) ➜ スレッド