Sweet"-breast`ed (?), a. Having a sweet, musical voice, as the
nightingale. Cf. Breast, n., 6. [Obs.]
Sweet"bri`er (?), n. (Bot.) A kind of rose (Rosa rubiginosa) with
minutely glandular and fragrant foliage. The small-flowered sweetbrier
is Rosa micrantha.
Sweet"en (?), v. t. [imp. & p. p. Sweetened (?); p. pr. & vb. n.
Sweetening.] [See Sweet, a.] 1. To make sweet to the taste; as, to
sweeten tea.
2. To make pleasing or grateful to the mind or feelings; as, to sweeten
life; to sweeten friendship.