■ noun
1》 the tough central part of various fruits, containing the seeds.
2》 the central or most important participle
↘the dense metallic or rocky central region of a planet.
↘the central part of a nuclear reactor, which contains the fissile material.
↘a piece of soft iron forming the centre of an electromagnet or an induction coil.
3》 an internal mould filling a space to be left hollow in a casting.
4》 Archaeology a piece of flint from which flakes or blades have been removed.
5》 a cylindrical sample of rock, ice, or other material obtained by boring with a hollow drill.
■ verb remove the ~ from (a fruit).
Phrases
to the ~ to the depths of one's being.
Derivatives
~r noun
Origin
ME: of unknown origin.