In plain words
The poet, to the Lord at Kuṟuṅkuṭi: O great one of Kuṟuṅkuṭi, where the huge dark palmyra fruits roll and fall into the pool where the water-crows move about, and the vāḷai fish leap away [taking them for crows]! Is it you they speak of as the lion [Narasiṃha] who tore into two the matchless body of Hiraṇya, thick of shoulder and full of rage, and rejoiced?