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There are two large circumvallate papillae near the base, rather irregular in form, about a quarter of an inch in diameter and half an inch apart.

The circumvallate are from seven to twelve in number and lie near the root of the tongue, arranged in the form of a V, with its open angle turned forward.

But through the gloom, and on the circumvallating reef, the breakers dashed ghost-white.

And floating away, these vapors blended with the faint mist, as of a cataract, hovering over the circumvallating reef.

First he made it impossible for the Athenians to circumvallate the city; then he captured the naval stores of the enemy, forcing them to encamp in unhealthy ground.