הַשֹּֽׁכְבִים֙ עַל־מִטּ֣וֹת שֵׁ֔ן וּסְרֻחִ֖ים עַל־עַרְשׂוֹתָ֑ם וְאֹכְלִ֤ים כָּרִים֙ מִצֹּ֔אן וַעֲגָלִ֖ים מִתּ֥וֹךְ מַרְבֵּֽק׃
די װאָס ליגן אױף בעטן פֿון עלפֿנבײן, און אױסגעצױגן אױף זײערע געלעגערס, און עסן לעמער פֿון די שאָף, און קעלבער פֿון שטאַל;
Rashi
and stretch out on their beds Heb. וּסְרֻחִים. They spread themselves out and stretch themselves out on their beds. Our Sages, however, explained that they would exchange wives with one another and befoul their beds with semen that is not theirs. [from Shabbath 62b]
Rashi
out of the stall—The place where the calves are gathered, and in O.F. kopled, a pen.