teething n 1: the eruption through the gums of baby teeth [syn: {teething}, {dentition}, {odontiasis}]
Teeth \Teeth\, v. i. [imp. & p. p. {Teethed}; p. pr. & vb. n. {Teething}.] To breed, or grow, teeth. [1913 Webster]
Teething \Teeth"ing\, n. The process of the first growth of teeth, or the phenomena attending their issue through the gums; dentition. [1913 Webster]