core
//kɔːr//
Noun
The central or most important part of something.
The core of the problem is lack of communication.
The hard or fibrous central part of certain fruits, containing the seeds.
Remove the core from the apple before eating it.
The central part of the Earth or another planet, especially the innermost part.
The Earth's core is extremely hot and dense.
The muscles of the torso, especially the abdominal and back muscles.
Pilates exercises help strengthen your core.
A cylindrical sample of rock, ice, or other material obtained by drilling.
Scientists analyzed ice cores from Antarctica to study climate change.
Verb
To remove the core from a fruit.
Core the apples before baking them.
Adjective
Forming or relating to the central or most important part of something.
Reading and writing are core skills for all students.