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Definition of Aven
1. Noun. A vertical shaft leading upward from a cave passage, sometimes connecting with passages above ¹
2. Noun. A pothole ¹
¹ Source: wiktionary.com
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1. Noun. A vertical shaft leading upward from a cave passage, sometimes connecting with passages above ¹
2. Noun. A pothole ¹
¹ Source: wiktionary.com