turnstone Meaning, Definition & Usage

  1. noun migratory shorebirds of the plover family that turn over stones in searching for food

WordNet

Turn"stone` noun
Definitions
  1. (Zoöl.) Any species of limicoline birds of the genera Strepsilas and Arenaria, allied to the plovers, especially the common American and European species (Strepsilas interpres). They are so called from their habit of turning up small stones in search of mollusks and other aquatic animals. Called also brant bird, sand runner, sea quail, sea lark, sparkback, and skirlcrake.

Webster 1913