core | sense examples, Usage and Definition from wordnet dictionary online

Noun core has 9 senses

core - the center of an object; "the ball has a titanium core"
--₁ is a kind of center, centre, midpoint
--₁ has particulars: corncob
Derived form: verb core₁
core, nucleus, core group - a small group of indispensable persons or things; "five periodicals make up the core of their publishing program"
--₂ is a kind of set
--₂ has particulars: cadre
core - the central part of the Earth
--₃ is a kind of center, centre, midpoint
kernel, substance, core, center, essence, gist, heart, heart and soul, inwardness, marrow, meat, nub, pith, sum, nitty-gritty - the choicest or most essential or most vital part of some idea or experience; "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"
--₄ is a kind of content, cognitive content, mental object
--₄ has particulars:
bare bones; hypostasis; quiddity, haecceity; quintessence; stuff
core - a cylindrical sample of soil or rock obtained with a hollow drill
--₅ is a kind of sample
Congress of Racial Equality, CORE - an organization founded by James Leonard Farmer in 1942 to work for racial equality
--₆ is a kind of nongovernmental organization, NGO
effect, essence, burden, core, gist - the central meaning or theme of a speech or literary work
--₇ is a kind of meaning, significance, signification, import
core - the chamber of a nuclear reactor containing the fissile material where the reaction takes place
--₈ is a kind of chamber
--₈ is a part of nuclear reactor, reactor
core - a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil
--₉ is a kind of bar
--₉ is a part of magnet
--₉ has particulars: magnetic core

,Verb core has 1 sense

core - remove the core or center from; "core an apple"
--₁ is one way to hollow, hollow out, core out

Derived form: noun core₁
Sample sentences:
Somebody ----s something
Something ----s something