Definition of "cowflesh"

A monstrous fine bit of cowflesh! I'll be sworn she has rendezvoused you. What, you dog? Have you a way with them?

1922 February, James Joyce, “[Episode 14: Oxen of the Sun]”, in Ulysses, Paris: Shakespeare and Company, […], part II [Odyssey], page 386

At first Maud, so afraid for her husband and baby, was unable to eat, but within a few days she tore into burnt cowflesh like any soldadera.

2005, James Andrew Crutchfield, Paul Andrew Hutton, The way west: true stories of the American frontier

We ferried our stock in U-Haul trailers, and across the months, as we purchased more cowflesh from the Goat Man — meat vanishing into the ether again and again, as if into some quarkish void — we became familiar enough with Sloat and his daughter to learn that her name was Flozelle, and to visit with them about matters other than stock.

2007, Rick Bass, The Lives of Rocks