noun, masculine/ɡʁo.ky/plural: gros-culs
a large lorry (UK) or truck (US); battleship; low-quality tobacco, especially the sort formerly issued to soldiers by the French army; a regulation French army flask with a capacity of two litres; a small 460-millilitre wine bottle from the Lyon region
Synonyms: maître-chiffonier
From gros + cul.