We found 3 dictionaries that define the word at the top of the tree:

General (3 matching dictionaries)

1. at the top of the tree: Collins English Dictionary
2. at the top of the tree: Wiktionary

▸ Words similar to at the top of the tree ▸ Usage examples for at the top of the tree ▸ Idioms related to at the top of the tree ▸ Wikipedia articles (New!) ▸ Words that often appear near at the top of the tree ▸ Rhymes of at the top of the tree ▸ Invented words related to at the top of the tree