1. (

• twin ,
• duplicate ,
• parallel ,

) duplicate or match; "The polished surface twinned his face and chest in reverse" ;

2. (

• match ,
• mate ,
• couple ,
• pair ,
• twin

) bring two objects, ideas, or people together; "This fact is coupled to the other one"; "Matchmaker, can you match my daughter with a nice young man?"; "The student was paired with a partner for collaboration on the project" ;

3. (

• twin

) grow as twins; "twin crystals" ;

4. (

• twin

) give birth to twins ;

1. (

• biparous ,
• twinning

) producing two offspring at a time ;