| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Expression | 1. A pipe for the passage of air; esp. a ventilating pipe.[Websters]. | |
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| Expressions | Definition | ||
| Air pipe | A pipe for the passage of air; esp. a ventilating pipe. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||