We found 2 dictionaries that define the word mushroom corals:

General (2 matching dictionaries)

1. mushroom corals: Merriam-Webster
2. mushroom corals: Vocabulary.com

(Note: See mushroom_coral as well.)

Definitions from WordNet (mushroom coral) ▸ noun:  flattened disk-shaped stony coral usually solitary ▸ Also see mushroom_coral ▸ Words similar to mushroom corals ▸ Usage examples for mushroom corals ▸ Idioms related to mushroom corals ▸ Wikipedia articles (New!) ▸ Words that often appear near mushroom corals ▸ Rhymes of mushroom corals ▸ Invented words related to mushroom corals