Strong's Definition
from an unused root meaning to estop; the stocks
KJV Usage: stocks
STEPBible — Tyndale Abridged Hebrew Lexicon
סַד (sad) — stock. stocks (for feet)
UBS Dictionary of Biblical Hebrew
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
סַד n.[m.] stocks, for confining feet of culprits base