Aquatic dipper, one of a pair (5)
I believe the answer is:
scull
This clue could be a double definition.
'aquatic dipper' is the first definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?
'one of a pair' is the second definition.
Although both the answer and definition are singular nouns, I don't understand how they can define each other.
Can you help me to learn more?
(Other definitions for scull that I've seen before include "Row with two oars" , "racing shell" , "Light rowing boat" , "Small oar" , "Blade" .)