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Definition of Protuberate
1. Verb. Cause to bulge out or project. 
2. Verb. Form a rounded prominence. "The starved child's belly protuberated"
Definition of Protuberate
1. v. i. To swell, or be prominent, beyond the adjacent surface; to bulge out.
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1. Verb. Cause to bulge out or project. 
1. v. i. To swell, or be prominent, beyond the adjacent surface; to bulge out.