pedunculate oak 
noun
The common or English oak.Irish populations of Q. petraea may have gained additional genetic variation by admixture from the closely related pedunculate oak (Q. robur).
- retractile mesenteritis
- retractility
- retraction
- retractive
- retractor
- retractor muscle
- retrain
- retraite
- retral
- retrally
- retranscribe
- retranscription
- retransfer
- retransferring
- retransfigure
- retransform
- retransformation
- retransfuse
- retranslate
- retranslation
- retransmission
- retransmissive
- retransmit
- retransmute
- retransplant