noun
1. a line of small holes for tearing at a particular place (Freq. 1)
• Derivationally related forms: ↑perforate
• Hypernyms: ↑hole
2. a hole made in something
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a perforation of the eardrum
• Derivationally related forms: ↑perforate
• Hypernyms: ↑hole
3. the act of punching a hole (especially a row of holes as for ease of separation)
• Derivationally related forms: ↑perforate
• Hypernyms: ↑puncture
Useful english dictionary. 2012.