Water milfoil
- Any plant of the genus Myriophyllum, aquatic herbs with whorled leaves, the submersed ones pinnately parted into capillary divisions.
The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.