רָתַף (cmp. רָתַךְ, a. b. h. רָתַם) to join. Denom. מַרְתֵּף (cmp. כְּלוּב, אַכְלְבָא).
Pi. - רִתֵּף (denom. of מַרְתֵּף) to store. Tosef. B. Mets. VIII, 30 לא יְרַתֵּף על גבו יין מפני שטוען וכ׳ ed. Zuck. he must not store wine over it, because he overloads the walls; (oth. ed. לא ירתף מפני שמכחישין וכ׳ he must not turn the dwelling into a store house, because they (the stored things) weaken &c.