Heathen has daughter dropped in marked area around bases (7)
I believe the answer is:
infield
'heathen has daughter' is the definition.
Although both the answer and definition are singular nouns, I can't understand how they can define each other.
'dropped in marked area around bases' is the wordplay.
I cannot quite see how this works, but
'in' is present in the answer.
'area' could be 'field' (someone's area of expertise) and 'field' is present in the answer.
This accounts for all the letters.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for infield that I've seen before include "Area inside racetrack" , "From part of playing area" , "close to batsman?" , "down from fence?" .)