Definition of "cap off" []

• To finish. (verb)
• To glue a relatively uncomplicated compact manifold to a manifold of the same dimension along (a component of the latter's boundary). (verb)

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• "And then, to cap off the entire damn situation, gunfire popped and zinged."
• "She took the cap off the marker pen and wrote GO AWAY COM-BAT."
• "Twisting the cap off the bottle of water, he took a long, throat-chilling swallow of the icy lemon water as he returned his attention across the narrow street to the club with the black iron letters reading 666 above its green shuttered door."