to carry in the bosom or the sleeve / to wrap, to conceal

kitten (young cat) / small cat (whether young or old)

(of size or amount) small, little, tiny / (of age) young, little

(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

to hold something in mind, to harbor some feeling about, to entertain a thought about / (literary) to embrace, hug, hold in one's arms

to embrace, hug, hold in one's arms / (euphemistic) to sleep with someone / to sit on eggs, to brood on a nest (said of a bird)

(obsolete) to hug, embrace / to hold something in mind, to harbor some feeling about, to entertain a thought about

(literary) they (about women or girls)