Webster's Revised Unabridged Dictionary · 1913

Vaunt

Vaunt (vant or vant; 277) , intransitive verb

[French vanter, Late Latin vanitare, from Latin vanus vain. See Vain.]

To boast; to make a vain display of one's own worth, attainments, decorations, or the like; to talk ostentatiously; to brag.
Pride, which prompts a man to vaunt and overvalue what he is, does incline him to disvalue what he has. — Gov. of Tongue

Vaunt , transitive verb

To boast of; to make a vain display of; to display with ostentation. In the latter sense, the term usually used is flaunt.
Charity vaunteth not itself, is not puffed up. — 1 Cor. xiii. 4
My vanquisher, spoiled of his vaunted spoil. — Milton

Vaunt , noun

A vain display of what one is, or has, or has done; ostentation from vanity; a boast; a brag.
The spirits beneath, whom I seduced With other promises and other vaunts. — Milton

Vaunt , noun

[French avant before, fore. See Avant, Vanguard.]

The first part. [Obsolete] — Shakespeare

Vaunt , transitive verb

[See Avant, Advance.]

To put forward; to display. [Obsolete]
Vaunted spear. — Spenser
And what so else his person most may vaunt. — Spenser