The lowest gear available from a gearbox, typically in a motor vehicle or cycle. / One of the lower gears available from a gearbox, typically in a motor vehicle or cycle.

(music) the C note exactly two octaves below middle C

(US, law) Of legal work: offered at a discounted rate, especially to underrepresented communities.

Of a sound, having a comparatively low pitch.

(US, law) Of legal work: offered at a discounted rate, especially to underrepresented communities.

(Canada, US, colloquial) Kind of. / (slang) In a low-key or surreptitious manner; secretively; on the down-low.

(art, photography) Dark; characterised by dark tones and muted colours. / (by extension) Restrained, subtle, not trying to attract attention.

The tide at its lowest level for a particular tidal cycle at a certain place. / The time of day when the sea has receded to its lowest level.

(boxing) An unfair or illegal blow that lands below the opponent’s waist; a groin attack. / (figuratively, by extension) Any attack that is considered unfair or unscrupulous.

(informal) Alternative spelling of low-key