noun (plural ~es) Etymology: Late Latin, from Greek bōlos lump Date: 1562 a rounded mass: as, a large pill, a soft mass of chewed food, a dose of a substance (as a drug) given intravenously
BOLUS
Meaning of BOLUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012