See the entire entry for rḥē, re/aḥyā n.m. millstone, mill

TgJ 2Sam11:21 :אִתְתָא רְמָת עְלוֹהִי פַלגוּת רְכַב רְחֵי : the woman threw half of an upper millstone down on him

See the entire entry for raḵeḇ, ra/āḵbā n.m. upper millstone