A word, phrase, or name that is the subject of and heading for an entry in a dictionary, glossary, or encyclopedia, and is usually set in boldface or another distinctive type; a headword or lemma.
Definition of entry word in US English:
entry word
noun
A word, phrase, or name that is the subject of and heading for an entry in a dictionary, glossary, or encyclopedia, and is usually set in boldface or another distinctive type; a headword or lemma.