Bible Dictionaries
Cubit

Vine's Expository Dictionary of NT Words

1: πῆχυς

(Strong's #4083 — Noun Masculine — pechus — pay'-khoos )

denotes the forearm, i.e., the part between the hand and the elbow-joint; hence, "a measure of length," not from the wrist to the elbow, but from the tip of the middle finger to the elbow joint, i.e., about a foot and a half, or a little less than two feet, Matthew 6:27; Luke 12:25; John 21:8; Revelation 21:17 .

Bibliography Information
Vines, W. E., M. A. Entry for 'Cubit'. Vine's Expository Dictionary of NT Words. https://www.studylight.org/​dictionaries/​eng/​ved/​c/cubit.html. 1940.