1. cubit - Noun
2. Cubit - Proper noun
The forearm; the ulna, a bone of the arm extending from elbow to wrist.
A measure of length, being the distance from the elbow to the extremity of the middle finger.
Source: Webster's dictionaryLatitude by length of longest day, and by sun's elevation on shortest day Strabo uses the astronomical cubit (pēchus, the length of the forearm from the elbow to the tip of the little finger) as a measure of the elevation of the sun. Source: Internet
Since there were 7 palms in a cubit, the seked was 7 times the cotangent. Source: Internet
He also used the Babylonian unit pechus ("cubit") of about 2° or 2.5°. Source: Internet
The cubit could vary considerably due to the different sizes of people. Source: Internet
The term "cubit" in this context is obscure; it has nothing to do with distance along either a straight line or an arc, does not apply to celestial distances, and has nothing to do with the gnōmōn. Source: Internet