Bible Encyclopedias
Span

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

(זֶרֶת, zereth, according to the rabbins the little finger, Exodus 28:16; Exodus 39:9; 1 Samuel 17:4; Isaiah 40:12; Ezekiel 43:13; elsewhere some form of טָפִח, taphach, to spread upon the hands; hence to extend a palm's breadth, Isaiah 48:13; or carry in the arms, Lamentations 2:20, "a span long"), a Hebrew measure of three hand breadths, or twelve finger breadths; apparently half a cubit (comp. Exodus 25:10 with Josephus, Ant. 3, 6, 5). (See METROLOGY).

Bibliography Information
McClintock, John. Strong, James. Entry for 'Span'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/​encyclopedias/​eng/​tce/​s/span.html. Harper & Brothers. New York. 1870.