toggle bolt


noun
  1. an anchor bolt having two hinged wings, ordinarily held open by a spring, for engaging the rough sides of a hole drilled in masonry or the inner surface of a hollow wall.

Origin of toggle bolt

1
First recorded in 1785–95

Words Nearby toggle bolt

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023