1. a sperm whale
Usage: technical; zoological

Examples

• The cachalot is the largest toothed whale in the ocean.
• Marine biologists studied the diving behavior of the cachalot.
• Herman Melville wrote about the cachalot in his novel Moby Dick.
• The cachalot can dive to depths of over 3,000 feet.
• Researchers tracked a pod of cachalots migrating through the Pacific.
• The cachalot’s massive head contains a waxy substance called spermaceti.