What does the cryptic crossword clue "Limit a large town’s power (8)" mean?

The definition is "Limit". The wordplay uses anagram, charade. anagram of A ("a") + CAP (synonym of "Limit") + CITY (synonym of "large town's") = CAPACITY; definition: "power" The answer is CAPACITY.

Limit a large town’s power (8)

Guardian #3763 | 1 Down | 2018-11-25 flower

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