a. [ L. spumescens, p. pr. of spumescere to grow foamy, from spuma foam. ] Resembling froth or foam; foaming. [ 1913 Webster ]
a. [ L. pubescens, -entis, p. pr. of pubescere to reach puberty, to grow hairy or mossy, fr. pubes pubes: cf. F. pubescent. ]
That . . . the men (are) pubescent at the age of twice seven, is accounted a punctual truth. Sir T. Browne. [ 1913 Webster ]