"Watch your head!" (4)
'watch' is the definition.
(I know that mind is a kind of the watch)
I can't explain the rest of the clue.
Can you help me to learn more?
(Other definitions for mind that I've seen before include "Take care of; intellect" , "Consciousness" , "This can be made up" , "remember" , "Look after" .)
'head' is the definition.
(thesaurus)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for duck that I've seen before include "See 16" , "Dear; bird; fabric" , "Evade, nought (cricket)" , "Steer clear" , "Mallard, say, or eider" .)