noun
Somebody who possesses great bravery and carries out extraordinary or noble deeds.
A role model.
The protagonist in a work of fiction.
(poker) The current player, especially a hypothetical player for example and didactic purposes. Compare: villain (“any opponent player”). Not to be confused with hero call (“a weak call against a supposed bluff”).
(New York) A large sandwich made from meats and cheeses; a hero sandwich.
(film, photography, chiefly attributive) The product chosen from several candidates to be photographed, as in food advertising, or with props used in a movie.
(web design) The eye-catching top portion of a web page, sometimes including a hero image; the portion above the fold.
(cooking) The standout component of a dish; the part of a dish that should take center stage on the palate.
verb
(informal, intransitive) To act as a hero (brave person; role model; or protagonist).
(transitive) To praise or laud.
(transitive) To bring attention to; to highlight; to spotlight.