godan verb (-ru), intransitive verb
plow through waves; tack against the wind
Nautical term for a vessel moving forward through rough water or sailing close-hauled against the wind. Rare in everyday conversation; mostly found in maritime contexts.
船は高波を間切って進んだ。
The ship plowed through the high waves.
ヨットが風上に間切る。
The yacht tacks upwind.
Compound of 間 (ma, 'interval' or 'space') and 切る (kiru, 'to cut'), literally 'to cut through a space'. The exact historical derivation is uncertain, but the term is firmly established in nautical vocabulary.