11 across
A
meaningful
area
of
study
(9)
A meaningful area of study (9)
hints
0
checks
0
hints
The whole clue is the definition (& lit or double definition).
How the clue works
The whole clue is a cryptic definition of A meaningful area of study, since semantics is the branch of study concerned with meaning. The playful phrasing 'meaningful area of study' hints at the subject that studies meaning itself.