Crossword Genius

Understand component of a tree (4)

Ross

I believe the answer is:

twig

I believe this clue is a double definition.

'understand' is the first definition.
(I know that twig is a more specific form of the action apprehend)

'component of a tree' is the second definition.
(I know that twig is part of the tree)

(Other definitions for twig that I've seen before include "Slender woody shoot" , "A small branch - cop on?" , "growth of smaller branches" , "very little from box, perhaps" , "Eventually grasp" .)

I've seen this clue in The Times.
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