Dripstone \Drip"stone`\, n. (Arch.)
A drip, when made of stone. See {Drip}, 2.
資料來源 : WordNet®
dripstone
n 1: the form of calcium carbonate found in stalactites and
stalagmites
2: a protective drip that is made of stone [syn: {hoodmold}, {hoodmould}]