Possibly a scribal error for סין #2 "mire", based on the word for "corals", but see TgPsalms 69:3 where the received text היך כמיא might be emended to היך כסנא, "like mire", though an emendation to היך בסינא is surely preferable there Page refs. in other dictionaries: Jastrow: 654; Levy Ch-W: 1:377;