The Collaborative International Dictionary of English v.0.48:

Sicklewort \Sic"kle*wort`\, n. [AS. sicolwyrt.] (Bot.)
   (a) A plant of the genus Coronilla (Coronilla
       scorpioides); -- so named from its curved pods.
   (b) The healall (Brunella vulgaris).
       [1913 Webster]