一

simple and inexpensive restaurant; diner

general accounting and finance

current (of water); drop

success on the first try (attempt)

Formal or literary term

single part (of a whole); one detail; portion; spot

a single tree or blade of grass; every stick and stone (of a place)

straight road

Idiomatic expression; Often adverbially as ～に...

(at a) snail's pace; inch by (painful) inch

baby clothes

(a) branch (of flowers); (a) cluster; (a) mass (of clouds)

Computing

general user

polyandry

log bridge

Linguistics

common noun

short joke; quick one-liner

quire (of paper)

lump-sum purchase; bulk purchase; group purchase

temporary protective custody; temporary protective care

one load

invariable; permanent

one color

one kind

Martial arts

winning by an ippon; winning by a point

primary industry

return of spring; long-awaited, favorable turn of fortune (favourable)