ˈsundrop(s
[f. sun n.1 + drop n.]
Any of the species of Œnothera (evening primrose) which open in sunlight.
| 1796 Nemnich Polygl.-Lex., Sundrop, Oenothera. 1845–50 A. H. Lincoln Lect. Bot. App. 132 Œnothera..fruticosa (shrubby œnothera, sun-drop). 1856 A. Gray Man. Bot. (1860) 131 Sundrops. |