Definitions:

1. A tool used by climbers to ascend ice surfaces, typically featuring a sharp point and sometimes an axe. NOUN
   • The climber secured his ice pick into the frozen waterfall before continuing his ascent.
2. A tool with a pointed metal spike used for breaking or chipping ice. NOUN
   • He used an ice pick to break the ice into smaller pieces for the cooler.

Synonyms:

• climbing axe
• Ice axe
• ice breaker
• ice chisel