1. vaunt - Noun
2. vaunt - Verb
To boast; to make a vain display of one's own worth, attainments, decorations, or the like; to talk ostentatiously; to brag.
To boast of; to make a vain display of; to display with ostentation.
A vain display of what one is, or has, or has done; ostentation from vanity; a boast; a brag.
The first part.
To put forward; to display.
Source: Webster's dictionary