Failure to promote a person to a higher rank. / (US, education) The holding back of a pupil instead of advancing them to the next year of studies.

(anatomy) A vertical gap between the lateral pterygoid plate of the pterygoid process of the sphenoid bone and the maxilla that descends at right angles to the medial end of the inferior orbital fi...

simple past tense and past participle of coamplify

In a feline manner.