(dated) something that stands out among many other things / (figuratively) a single woman among many men

(literally) a beautiful single red flower that blooms within a field of trees and grass / (figuratively) something unique that stands out among many other things

Alternative form of パーティー (pātī, “party”)

a party (social gathering) / (role-playing games) party (group)

stand out

(literary) they (about women or girls)

(colloquial) a girlfriend (a female partner in a romantic relationship)

(formal) Female third-person singular pronoun; she, her, girlfriend

dress

a cocktail party