We found one dictionary that defines the word heap clouds:

Tech (1 matching dictionary)

1. Glossary of Meteorology (No longer online)

▸ Words similar to heap clouds ▸ Usage examples for heap clouds ▸ Idioms related to heap clouds ▸ Wikipedia articles (New!) ▸ Words that often appear near heap clouds ▸ Rhymes of heap clouds ▸ Invented words related to heap clouds