sirens is a form of:

Ingrain



verbpast tense: ingrained ; past participle: ingrained ; present participle: ingraining ;
1.
(TRANSITIVE) ជ្រួតជ្រាបក្នុង
ENGLISH MEANING
noun
1.
An ingrain fabric, as a carpet.
adjective
1.
Dyed with grain, or kermes.
2.
Dyed before manufacture, -- said of the material of a textile fabric; hence, in general, thoroughly inwrought; forming an essential part of the substance.
verbpast tense: ingrained ; past participle: ingrained ; present participle: ingraining ;
1.
(TRANSITIVE) To dye with or in grain or kermes.
2.
(TRANSITIVE) To dye in the grain, or before manufacture.
3.
(TRANSITIVE) To work into the natural texture or into the mental or moral constitution of; to stain; to saturate; to imbue; to infix deeply.