Crossword Genius

Tree that can reach a great height (5)

Ross

I believe the answer is:

plane

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

This could be a double definition.

'tree that can reach a great' is the first definition.
'plane' can be an answer for 'tree' (plane is a type of tree). I am not certain of the remainder of the definition.

'height' is the second definition.
(thesaurus)

Can you help me to learn more?

(Other definitions for plane that I've seen before include "Aircraft - level surface - carpenter's tool" , "Flat surface; tree" , "Tool for smoothing wood" , "Woodworking tool" , "Smooth" .)

I've seen this clue in The Globe and Mail.
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