siren

US /ˈsaɪr.ən/
UK /ˈsaɪr.ən/
"siren" picture
1.

sirene

a device that makes a loud, wailing sound as a signal or warning

:
The ambulance sped down the street with its siren blaring.
A ambulância acelerou pela rua com sua sirene a soar.
A fire truck's siren could be heard in the distance.
A sirene de um caminhão de bombeiros podia ser ouvida à distância.
2.

sereia

(in Greek mythology) one of a number of female creatures whose singing lured sailors to their deaths on the rocks

:
Odysseus had his men tie him to the mast to resist the sirens' song.
Ulisses mandou seus homens amarrá-lo ao mastro para resistir ao canto das sereias.
The myth of the sirens warns against irresistible temptations.
O mito das sereias adverte contra tentações irresistíveis.
3.

sereia, mulher fatal

a woman who is considered to be alluring but also dangerous

:
She was a true siren, captivating every man with her charm.
Ela era uma verdadeira sereia, cativando cada homem com seu charme.
He fell under the spell of the beautiful siren.
Ele caiu sob o feitiço da bela sereia.