רָחַשׁ (b. h.) 1) to move, vibrate. Y. Ber. II, 4ᵇ bot. האומר … שפתותיו רוֹחֲשׁוֹת עמו בקבר if one reports a tradition in the name of its author, his (the author’s) lips move in the grave with him (the reporter); Y. M. Kat. III, 83ᶜ bot.; Y. Shek. II, end, 47ᵃ. Ib. מְרַחֲשׁוֹת (Pi., v. דָּבַב). Men. V, 8 (63ᵃ) מרחשת … ומעשיה רוֹחֲשִׁין (Bab. ed. רוחשין רכין; Ms. M. only רכין, v. Rabb. D. S. a. l. note) a marḥesheth is deep, and the pastry made in it vibrates (like jelly), opp. קשין; Sifra Vayikra, N’dab., Par. 10, ch. XII; Lev. R. s. 3, end; Yalk. ib. 451. —2) to swarm.—Part. pass. רָחוּשׁ; f. רְחוּשָׁה crowded. Lev. R. s. 30; Pesik. Ul’ḳaḥ., p. 184ᵃ sq., v. דָּחַס. —3) with לב, to be moved, to feel, think. Midr. Till. to Ps. XLV, 2 לא יכלו … אלא כיון שר׳ לבם בתשובה וכ׳ they could not confess with their lips, but when their heart was moved in repentance, the Lord received them. Ib. אם בלבנו רָחַשְׁנוּ וכ׳ if we only have been thinking in our hearts, we have already told our deeds to the Lord; a. e.
    Pi. - רִיחֵשׁ same, to move. Pes. 88ᵇ הטילו … ורִיחֲשָׁה they poured cold water upon it (the lizard), and it moved. Y. Shek. l. c., v. supra.
    Hif. - הִרְחִישׁ 1) to move (the lips); to whisper, think. Y. Ber. IV, beg. 7ᵃ (ref. to I Sam. I, 13) מיכן … להַרְחִישׁ בשפתותיו from this we learn that he who prays must move his lips. Ib. מַרְחִישׁ בשפתותיו. Pesik. R. s. 13 (ref. to Ex. XVII, 7) [read:] אם מַרְחִישִׁים אנו בקרבנו דברים והוא יודע מה אנו מרחישים בקרבנו וכ׳ if we think words in our hearts, and he knows what we think in our hearts, we will worship him; (Ex. R. s. 26 מהרהרים). —2) to swarm, come forth (of worms); to bring forth (worms). Koh. R. to V, 10 (ref. to Job XXV, 6) אלו תולעים שמַרְחִישִׁין תחתיו במותו that means the worms which come forth under him when he is dead. Gen. R. s. 23 התחיל המת מרחיש (not מרחש) corpses began to beget worms; a. e.—Trnsf. to bring forth in abundance. Ber. 17ᵃ יַרְחִישׁ, v. רְנָנָה.