Possible Definitions:
1. Robin (n.) A small European singing bird (Erythacus rubecula), having a reddish breast; -- called also robin redbreast, robinet, and ruddock.
2. Robin (n.) An American singing bird (Merula migratoria), having the breast chestnut, or dull red. The upper parts are olive-gray, the head and tail blackish. Called also robin redbreast, and migratory thrush.
3. Robin (n.) Any one of several species of Australian warblers of the genera Petroica, Melanadrays, and allied genera; as, the scarlet-breasted robin (Petroica mullticolor).
4. Robin (n.) Any one of several Asiatic birds; as, the Indian robins. See Indian robin, below.
