#1
core n. [
nucleus, core group] a small group of indispensable persons or things; "five periodicals make up the core of their publishing program"
. wn #2
core n. the center of an object; "the ball has a titanium core"
. wn #3
core n. the central part of the Earth
. wn #4
core n. [
kernel, substance, center, centre, 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"
. wn #5
core v. remove the core or center from; "core an apple"
. wn