Order a set of gold barriers against rising damp? (10)

I believe the answer is:

floodgates

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

'barriers against rising damp?' is the definition.
I can't tell whether this defines the answer.

'order a set of gold' is the wordplay.
'order' indicates an anagram.
'a'+'set'+'of'+'gold'='asetofgold'
'asetofgold' is an anagram of 'FLOODGATES'.

Can you help me to learn more?

(Other definitions for floodgates that I've seen before include "barriers to hold back water" , "Sluices" .)

I've seen this clue in The Irish Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.