corpora cavernosa: the two cavernous or spongy bodies of the penis (or clitoris) that traverse the length of the shaft, one on each side, and that erect the organ when they become engorged with blood. 2. the pair of "cavernous" or spongy columns of erectile tissue in the penis below which is the urethra and corpus spongiosum. Pumped full of blood, these spongy bodies hold the penis erect.

Dictionary of Sexology Project: Main Index

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