skull : Idioms & Phrases
Skull and crossbones
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noun emblem warning of danger or death
WordNet
- a symbol of death. See
Crossbones .
Webster 1913
skull practice
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noun teaching strategy to an athletic team
skull practice.
WordNet
skull session
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noun a session (as of executives or advisors) to discuss policy or strategy or to solve problems or exchange ideas
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noun teaching strategy to an athletic team
skull practice.