From Longman Dictionary of Contemporary Englishtreetoptree‧top /ˈtriːtɒp $ -tɑːp/ noun [countable usually plural] HBPTOPthe branches at the top of a tree
Examples from the Corpus
treetop• A koala, who was the loser in a treetop fight, fell 10m and knocked himself out.• Occasionally a treetop would flash be-tween us and them.• They come in at treetop level and drop these bombs.• They come in at treetop level, and they also come in at great height.• The roding male circles his territory at treetop level, patrolling boundaries with deliberation at dusk and giving the ritual eerie call.• The winds shifted and the fire, jumping from treetop to treetop, roared toward them.• Serving both to preserve and enhance an exceptional landscape, the treetop walk is an innovative and inspiring model of environmental responsiveness.• A cool breeze rustled the treetops. 