noun Etymology: Middle English, from Latin ~um elbow, ~ Date: 14th century any of various ancient units of length based on the length of the forearm from the elbow to the tip of the middle finger and usually equal to about 18 inches (46 centimeters)
CUBIT
Meaning of CUBIT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012