adjective Etymology: Middle English, from Late Latin gibbosus humpbacked, from Latin gibbus hump Date: 14th century 1. marked by convexity or swelling, seen with more than half but not all of the apparent disk illuminated, having a hump ; humpbacked
GIBBOUS
Meaning of GIBBOUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012