The most common and most likely answer to this crossword clue is the 7 letter word URINALS
U
R
I
N
A
L
S
More clues leading to the result URINALS
Buddy explains!

The straight part
We know that "CD" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cd = urinals.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does URINALS mean?
URINALS noun- A device or fixture used for urination, particularly:
- Any oblong glass vessel shaped like the old alchemist's urinal.
- A room or structure used for urination: a latrine; an outhouse; a lavatory.