We found 10 dictionaries that define the word cultivars:

General (8 matching dictionaries)

1. cultivars: Merriam-Webster
2. cultivars: Collins English Dictionary
3. cultivars: Vocabulary.com
4. Cultivars, cultivars: Wordnik
5. cultivars: Wiktionary
6. cultivars: Dictionary.com
7. Cultivars: Wikipedia, the Free Encyclopedia
8. Cultivars: TheFreeDictionary.com

Computing (1 matching dictionary)

9. Cultivars: Encyclopedia

Medicine (1 matching dictionary)

10. Cultivars: Medical dictionary

(Note: See cultivar as well.)

Definitions from Wiktionary (cultivar) ▸ noun:  A cultivated (not necessarily botanical) variety of a plant species or hybrid of two species. ▸ Also see cultivar Phrases: apple cultivars, more... ▸ Words similar to cultivars ▸ Usage examples for cultivars ▸ Idioms related to cultivars ▸ Wikipedia articles (New!) ▸ Popular adjectives describing cultivars ▸ Words that often appear near cultivars ▸ Rhymes of cultivars ▸ Invented words related to cultivars