Strong's Definition
from 2946; a spread of the hand, i.e. a palm- breadth (not "span" of the fingers); architecturally, a corbel (as a supporting palm)
KJV Usage: coping, hand-breadth
STEPBible — Tyndale Abridged Hebrew Lexicon
טֶ֫פַח (te.phach) — handbreadth. 1) span, width of the hand, hand breadth 1a) a unit of measurement, measurement of length 2) coping (an architectural term)
UBS Dictionary of Biblical Hebrew
noun m · טפח
noun f · טפח
Dimension
handbreadth, width of a palm = width of the palm of the hand, of the four fingers, unspread; equals about 8 centimetres or 3 inches; ≈ associated with relative shortness
noun f · טפח
Buildings
coping = top part of a building (specific nature uncertain); ≈ perhaps a layer or a structure a handbreadth in thickness or width
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
טֶ֫פַח n.[m.] 1. a span, hand-breadth; 2. coping (?) base