Stalactite

sta-lak′tīt, n. a deposit of carbonate of lime, hanging like an icicle from the roof of a cavern, formed by the dripping of water.— adjs. Stalac′tic , -al , Stalactit′ic , -al , having the form or properties of a stalactite; Stalac′tiform , like a stalactite. [Gr. stalaktos — stalazein , to drip.]