We found one dictionary that defines the word collecting flask:

General (1 matching dictionary)

1. collecting flask: Cambridge Advanced Learner's Dictionary

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