noun
Word Origin early 19th century (denoting a whip or scourge): from Latin, diminutive of flagrum ‘scourge’.
Derivatives
Scrabble Points: 15
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A flagellum is a hairlike appendage that protrudes from certain plant and animal sperm cells, from fungal spores, and from a wide range of microorganisms to provide motility. Many protists with flagella are known as flagellates. Wikipedia