Crossword Genius

Physical part of the Sussex amphitheatre (4)

Ross

I believe the answer is:

exam

I'm a little stuck... Click here to teach me more about this clue!

'physical part' is the definition.
The definition and answer can be both related to communication as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'of the sussex amphitheatre' is the wordplay.
'of' indicates a hidden word.
'EXAM' can be found hidden inside 'sussex amphitheatre'.

Can you help me to learn more?

(Other definitions for exam that I've seen before include "Written test" , "Formal knowledge test" , "Scholastic test" , "Set of questions evaluating skill or knowledge, in short" , "Educational test" .)

I've seen this clue in the Irish Times.
Want a hint initially instead of a full solution? Install my app