UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈspiːdˌwɛl/US:USA pronunciation: respellingUSA pronunciation: respelling(spēdwel′)

WordReference Random House Unabridged Dictionary of American English © 2020
speed•well  (spēdwel′),USA pronunciation n. 
  1. Plant Biologyany of several plants, shrubs, or small trees of the genus Veronica, of the figwort family, having opposite leaves and small flowers.
  • 1570–80; speed + well1; so called because its petals fade and fall early

Collins Concise English Dictionary © HarperCollins Publishers::
speedwell /ˈspiːdˌwɛl/ n
  1. any of various temperate scrophulariaceous plants of the genus Veronica, such as V. officinalis (heath speedwell) and V. chamaedrys (germander speedwell), having small blue or pinkish white flowers
Etymology: 16th Century: from speed + well1
'speedwell' also found in these entries:

Report an inappropriate ad.