suck [sucked, sucking, sucks]◼◼◼((transitive) to put the mouth or lips to (a breast, a mother) to draw in milk) verb [UK: sʌk] [US: ˈsək]Children suck the mother when they are young, and the father when they are old. = Les enfants tètent leur mère quand ils sont jeunes, et leur père quand ils vieillissent.