vermelhas
Vermelhas is the feminine plural form of the Portuguese adjective vermelho/vermelha, meaning red. It is used to describe feminine nouns or feminine noun phrases, and can also function as a nominal phrase meaning “the red ones” when the noun is understood from context. The masculine parallel forms are vermelho (singular) and vermelhos (plural).
The word vermelho derives from older color terms in Romance languages, with vermelhas following the standard
In ordinary language, vermelhas modifies nouns such as flores vermelhas (red flowers), roupas vermelhas (red clothes),
Grammatical notes: In Portuguese, adjectives agree with the nouns they modify in gender and number. Vermelha
See also: Vermelho, Cor (color), Adjective agreement (Portuguese grammar).