Crossword Genius

Place found in rickety pier causing undulation (6)

Ross

I believe the answer is:

ripple

'undulation' is the definition.
(thesaurus)

'place found in rickety pier' is the wordplay.
'place' becomes 'pl' (I've seen this in other clues**).
'found in' means one lot of letters goes inside another.
'rickety' indicates an anagram.
'pier' with letters rearranged gives 'ripe'.
'pl' put inside 'ripe' is 'RIPPLE'.

'causing' acts as a link.

(Other definitions for ripple that I've seen before include "undulation" , "Small wave on the surface of a liquid" , "Edgar Allan ---, US author" , "bit of applause maybe" , "Slight surface wave" .)

I've seen this clue in The Telegraph.
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