V. σπᾶν (Aesch., Choephoroe 533), ἀνασπᾶν, ἀφέλκειν, Ar. and V. ῥοφεῖν, ἕλκειν.
suck the breast: V. μαστὸν ἀμφιχάσκειν.
suck milk: ἐξαμέλγειν γάλα.
give suck: see suckle.
perform oral sex: γλωττοδεψέω, λεσβιάζω