ˈīˌsikəl, -_sə̇k-, -_sēk- noun
( -s )
Etymology: Middle English isikel, from is ice + ikel icicle, from Old English gicel; akin to Old High German ihilla icicle, Old Norse jökull icicle, glacier, jaki piece of ice, Middle Irish aig ice, Welsh iâ
1. : a pendent usually conical mass of ice formed by the freezing of dripping water
2. : an emotionally unresponsive person
3. : a long hanging Christmas tree ornament (as a thin strip of lead foil)
4. : a metal projection forming on the upper inside of a pipe joint during welding