Plain English Meaning
Trying to learn a lot of information quickly, usually right before a test, instead of studying steadily over time. It might help you pass tomorrow, but most of it won't stick.
Full Definition
An ineffective study practice in which a learner attempts to absorb large amounts of material in a short period immediately before a test or checkride, typically resulting in shallow, short-term retention rather than genuine understanding or lasting skill.
Context Anchor
Seen in aviation training discussions about lesson preparation, test preparation, and how instructors help students build real understanding.
Derivation
From the everyday meaning of 'cram' -- to stuff or pack tightly into a small space. Applied to study, it pictures a student trying to force a large quantity of information into the mind in a very short time.