Crossword Genius

Lord said walk on water (4)

Ross

I believe the answer is:

pier

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

'walk on water' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

'lord said' is the wordplay.
'lord' becomes 'peer' (peer is a kind of lord).
'said' shows a homophone (sound like).
'peer' sounds like 'PIER'.

Can you help me to learn more?

(Other definitions for pier that I've seen before include "Upright member" , "such as you might see at the seaside" , "Coastal platform" , "Supporting structure" , "Bridge pillar" .)

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