from The Century Dictionary.
- noun A tom-cat.
Sorry, no etymologies found.
Tom very gravely replied, “he did suppose the food was wholesome enough, for he had seen the skin and feet of a special ram-cat, new flayed, hanging upon the door of a small pantry adjoining to the kitchen.”
O'Connell, losing all patience, suddenly turned round, and, scowling at the disturber, shouted in a voice of thunder -- 'Sit down, you audacious, snarling, pugnacious ram-cat.'
Defy the tempest & the storm deride is not in the original nor is it good. ποθος  is hardly fierce desire — & all such expressions of ram-cat raptures are bad. by the by she a dark lanthern might have deprived us of this poem. your storm is very good — zounds I sweat at the bare idea of the
So saying, he swallowed several mouthfuls of the questioned coney, and Pallet seemed to eye it again with inclination; nay, he even resumed his knife and fork; and being just on the point of applying them, was seized with another qualm of apprehension, that broke out in an exclamation of, “After all, Mr. Jolter, if it should be a real ram-cat?
The name of _ram-cat_ struck to him through all his life. "