(phonetics) sonority

(engineering) an engine, a mechanical device

to be heard / sound, be taken as (give someone a certain impression from hearing) / to be widely known; to be famous / to be audible

(rail transport) inner track of a loop line

回り: circumference, perimeter, edge; surroundings; rotation, circulation

空回り: idle an engine; waste effort

空回り: idling an engine; wasting effort

回り: circumference, perimeter, edge / 回り: via, by way of that place / 回り: the round of something or someone / 回り: a span of twelve years / 回り: a unit of size in clothing

engine stall (abbr. エンスト)

a turn, times around something