(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

(mathematics) root number

basis (of a theory), grounds

to be grounded on

(idiomatic) take root, strike root

a non-migratory fish that lives among the roots of seaweed or coral / alternative for 鮎並 (ainame): a greenling (kind of fish)

a non-migratory fish that lives among the roots of seaweed or coral

(slang) monster cock

(mathematics) imaginary root