We found one dictionary that defines the word hemlock trees:

General (1 matching dictionary)

1. hemlock trees: Vocabulary.com

(Note: See hemlock_tree as well.)

Definitions from WordNet (hemlock tree) ▸ noun:  an evergreen tree ▸ Also see hemlock_tree ▸ Words similar to hemlock trees ▸ Usage examples for hemlock trees ▸ Idioms related to hemlock trees ▸ Wikipedia articles (New!) ▸ Words that often appear near hemlock trees ▸ Rhymes of hemlock trees ▸ Invented words related to hemlock trees