Definition of “tree” - Learner’s Dictionary

tree

noun [ C ] us uk /triː/
They went under a tree to shelter from the rain.He fastened the rope to a tree.A fallen tree blocked the road.The fruit had been left to rot on the trees.The sun vanished behind the trees.

A1 a tall plant with a thick stem that has branches coming from it and leaves

→ See also Christmas tree , family tree , palm tree

(Definition of “tree” from the Cambridge Learner's Dictionary © Cambridge University Press)