معنی کلمه :‌ hacker

One who, or that which, hacks. Specifically: A cutting instrument for making notches; esp., one used for notching pine trees in collecting turpentine; a hack.

The calcareous or hornlike coral forming the central stem or axis of most compound alcyonarians; -- called also foot secretion. See Illust. under Gorgoniacea, and Coenenchyma. -- Scler`o*ba"sic, a.