Ostentatious embellishment; gloss, varnish.

Outward show or display. Obsolete.

Mere show, ostentatious pretence. Obsolete.

Show without substance; mere acting or show; empty or specious display.

Superficial brilliancy; ostentation, display; also †brilliant distinction, ‘éclat’ (obsolete). †Phr. to cut a flash (cf. dash, n.1 10).

Excessive blooming or blossoming; excessive flourishing; an instance of this.

transferred and figurative.