S / sŏrōrĭo
verb intransitive

sŏrōrĭo

2nd PP sŏrōrāre · conj. 1st
soror, of the female breasts
to grow up; swell together
to grow up or swell together, like two sisters: papillae sororiabant, Plaut. Fragm. ap. Fest. p. 297 Müll.: mammae sororiantes, Plin. 31, 6, 33, § 66.