%pesto%

n. A seed of the grape. [ 1913 Webster ]

n. [ It. pesto, pounded, from pestare to pound, crush, fr. LL. pistare, fr. pinsere. See also pestle. ] (Cookery) A sauce used in Italian cuisine, typically made by blending olive oil, basil, garlic, pine nuts, and grated parmesan cheese; it is served hot or cold over pasta, meat, or fish. Where pine nuts are expensive, sunflower seeds are sometimes substituted. [ PJC ]

n. A kind of clay slate, carved by the Indians into tobacco pipes. Cf. Catlinite. [ 1913 Webster ]