Indication from the umpire that both sides have scored 100? (4)
I believe the answer is:
call
'indication' is the definition.
(I know that call is a type of animal communication)
'umpire that both sides have scored 100?' is the wordplay.
I cannot quite understand how this works, but
'sides' could be 'll' (an abbreviation for left written twice) and 'll' is present in the answer.
'100?' could be 'c' (Roman numeral) and 'c' is present in the answer.
A single letter 'a' remains which might be clued in a way I don't see.
This may be the basis of the clue (or it may be nonsense).
'from the' acts as a link.
Can you help me to learn more?
(Other definitions for call that I've seen before include "Summon, ring" , "Telephone - give a name" , "Phone; cry" , "Visit; cry out" , "Shout - name" .)