KNEECAP • DICCIONARIO INGLES.COM • Definition of Kneecap

... be. Anything thicker would be detected, for a spring joins the river at this point and makes the water rather clear. Higher up we need not be so particular. There is a fish rising fifteen yards above us; so, crouching low and keeping back from the bank, we begin casting. A leather kneecap, borrowed from the harness-room, is strapped on to the knee, and is a good precaution against rheumatism. The first cast is two feet short of the rise, but with the next we hook a trout. He makes a tremendous rush, and runs the reel merrily. We manage to keep him out of the weeds ...

— A Cotswold Village • J. Arthur Gibbs