· a small lump or protuberance
Synonym(s): nubble
Hypernym(s): bulge, bump, hump, swelling, gibbosity, gibbousness, jut, prominence, protuberance, protrusion, extrusion, excrescence
· a small piece; "a nub of coal"; "a stub of a pencil"
Synonym(s): stub
· 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"
Synonym(s): kernel, substance, core, center, centre, essence, gist, heart, heart_and_soul, inwardness, marrow, meat, pith, sum, nitty-gritty
Hypernym(s): content, cognitive_content, mental_object