1. A North American songbird (Turdus migratorius) having a rust-red breast and gray and black upper plumage. Also called robin redbreast.
2. A small songbird (Erithacus rubecula) of Eurasia and Africa having olive-brown upper plumage and a conspicuous orange breast and face. Also called robin redbreast, ruddock.
3. Any of various birds resembling a robin.
[Short for Robin Redbreast, from Middle English Robin, personal name, from Old French, diminutive of Robert.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.