שִׁיקּוּעַ, (שָׁקַע) sinking, covering up. Zeb. 21ᵇ איכא בינייהו מצות ש׳ they differ as to the time when the laver is to be let down into the well. Ib. top איכא בינייהו גזירת ש׳ they differ as to whether or not you must consider the possibility of a mistake in letting the laver down &c. Tosef. Kel. B. Kam. III, 14 על ש׳ העמוד on the column of vessels that are covered with clay; Tosef. Par. V (IV), 2 שיקעו ed. Zuck. (oth. ed. שיקועו, corr. acc.).