Obs. rare. Possibly = OE. clæferwyrt Small Clover (? Trifolium minus).
[c. 1000. Sax. Leechd., II. 102. Nim þa smalan clæferwyrt.]
a. 1400[?]. Morte Arth., 3241. The close … With clauer and clereworte clede euene ouer.
