See the entire entry for ˁaqrūq, ˁaqrūqā n.m. frog

BT Ned 41a(34) :ההו׳ עקרב׳ דאיתיב על אקרוקית׳ וקעבר׳ נהר׳ : a certain scorpion which was sitting on a frog and was crossing the river

See the entire entry for ˁqrwqh n.f. frog