A class representative, in the context of an elementary school or junior high school.

dam length, crest length

Messor aciculatus, a species of black ants found in East Asia and Russia

Alternative spelling of 長須鯨 (“fin whale”)

Alternative spelling of 長須鯨 (“fin whale”)

matriarchy

Kyūjitai form of 参謀長 (“chief of staff”)

a polecat (weasel of the genus Mustela)

high-quality charcoal made from the wood of the 姥目樫 (ubamegashi, “ubame oak, Quercus phillyreoides”); white charcoal

high-quality charcoal made from the wood of the 姥目樫 (ubamegashi, “ubame oak, Quercus phillyreoides”); white charcoal