1. (

• hazelnut ,
• filbert ,
• cobnut ,
• cob

) nut of any of several trees of the genus Corylus ;

2. (

• cob ,

) stocky short-legged harness horse ;

3. (

• black-backed_gull ,
• great_black-backed_gull ,
• cob ,
• Larus_marinus

) white gull having a black back and wings ;

4. (

• cob ,

) adult male swan ;