חָלַך (cmp. חלל) to undermine, cave, dig. Pes. 118ᵇ שחוֹלֶדֶת בעיקרי וכ׳ Ms. M. (ed. as in Ḥull. 20ᵇ הדרה) which undermines the foundations &c. V. חוּלְדָּה.
    Hif. - הֶחְלִיד 1) same. Y. Kil. IX, 32ᶜ top מַחִלִיד הב"ה … את וכ׳ the Lord caves the ground before them and they roll &c.; Y. Keth. XII, 35ᵇ top מהלך … אל (corr. acc.). B. Bath. 19ᵇ מפני שמַחְלִידִין וכ׳ because their roots undermine the ground. —2) to pass the slaughtering knife under cover, to squeeze in. Ḥull. II, 4. Ib. 20ᵇ; a. fr.—Tosef. Kel. B. Bath. I, 5 מפני שהכובס אומן מַחֲלִידוֹ לתוכו (R. S. to Kel. XXI, 1) because so much of it does the professional fuller fold up for inserting a rod into it (v. חוֹב II, 2).