רוֹק, spittle. Yeb. XII, 6 (ref. to Deut. XXV, 9) ר׳ הנראה וכ׳ the spittle must be visible to the judges. Nidd. IX, 6 ר׳ תפל tasteless saliva; expl. ib. 7 כל שלא טעם כלום of a person who has not broken his fast. Y. Sabb. XIV, 14ᵈ top; Bab. Sabb. 108ᵇ; a. fr.—Nidd. 16ᵇ עד שהר׳ בתוך הפה (euphem.) while the semen is yet in the vagina.