Lexical Definition

‎טֹפַח‎ ṭôphach (to'-fakh) handbreadth ^H:N-M
from ‎טָפַח‎ (the same as ‎טֵפַח‎)

hand-breadth (broad).

• {a spread of the hand, i.e. a palm-breadth (not 'span' of the fingers)
• architecturally, a corbel (as a supporting palm)}

1) span, hand breadth

Brown-Driver-Briggs

‎טֹ֫פַח‎ noun masculine^{Ezek 40:43} span, hand-breadth — always absolute ‎טֹפַח‎ Exod 25:25; Exod 37:12 (both P), width of border of table in tabernacle; Ezek 40:5; Ezek 43:13 addition to common cubit; Ezek 40:43 width of border (ledge) of four tables in new temple (Sm Co).

Brown-Driver-Briggs References