The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of various mostly trailing or twining plants of the widespread genus Convolvulus, having funnel-shaped flowers and including several weeds and a few grown as ornamentals.
n. Any of several plants, of the genus Convolvulus, found in temperate climates, having small trumpet-shaped flowers.
the GNU version of the Collaborative International Dictionary of English
n. A large genus of plants having monopetalous flowers, including the common bindweed (Convolvulus arvensis), and formerly the morning-glory, but this is now transferred to the genus Ipomæa.
The Century Dictionary and Cyclopedia
n. [NL.] One of the principal genera of the natural order Convolvulaceæ, of about 150 species, natives of temperate and subtropical regions, and especially abundant in the eastern Mediterranean region.
n. [l. c] A plant of the genus Convolvulus.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. any of numerous plants of the genus Convolvulus
Word Usage
"When the creature I now watched hovered before the blossom of a convolvulus whose calyx it tapped with a tongue shaped like a glass probe, it was almost invisible."