London's beach (6)
I believe the answer is:
strand
This clue might be a double definition.
'london's' is the first definition.
Although both the answer and definition are singular nouns, I can't see how they can define each other.
'beach' is the second definition.
(beach can mean to become stranded on a beach)
Can you help me to learn more?
(Other definitions for strand that I've seen before include "Leave helpless - London street" , "Drive (ship) aground" , "Ply" , "Drive aground on shore" , "Thread; leave in lurch" .)