| Noun | 1. | mountain lily - Japanese lily with golden rays genus Lilium, Lilium - type genus of Liliaceae lily - any liliaceous plant of the genus Lilium having showy pendulous flowers |
| 2. | mountain lily - showy white-flowered perennial of New Zealand buttercup, butterflower, butter-flower, crowfoot, goldcup, kingcup - any of various plants of the genus Ranunculus |