nip·ple 
/ˈnɪpəl/ noun
plural nip·ples /ˈnɪpəl/ noun [count] 1 : either one of the two small, round parts on a person's chest that are darker in color than the area around them — see picture at human 2 US : a rubber or plastic device that is attached to a bottle and that has a small opening from which a baby can suck milk —called also (Brit) teat
