[f. SWAN sb. + WORT sb.] † a. (Only OE.) Some unidentified (? aquatic) plant. b. A book-name for the genus Cycnoches: = swan-flower, swan-plant (a): see SWAN sb. 4 b, SWAN-NECK 3.
c. 1000. Sax. Leechd., II. 74. Wiþ deadum swile, ʓenim swane wyrt.
1866. [see SWAN-NECK 3].