We found one dictionary that defines the word simuliums:

General (1 matching dictionary)

1. simuliums: Dictionary.com

(Note: See simulium as well.)

Definitions from WordNet (Simulium) ▸ noun:  type genus of the Simuliidae: blackflies ▸ Also see simulium ▸ Words similar to simuliums ▸ Usage examples for simuliums ▸ Idioms related to simuliums ▸ Wikipedia articles (New!) ▸ Popular adjectives describing simuliums ▸ Words that often appear near simuliums ▸ Rhymes of simuliums ▸ Invented words related to simuliums