DICT.TW Dictionary Taiwan

 Welk v. i. [imp. & p. p. Welked p. pr. & vb. n. Welking.]  To wither; to fade; also, to decay; to decline; to wane.  [Obs.]
    When ruddy Ph░bus 'gins to welk in west.   --Spenser.
    The church, that before by insensible degrees welked and impaired, now with large steps went down hill decaying.   --Milton.