Plural of bumblebee; large fuzzy bees known for their loud buzzing sound and ability to pollinate flowers.
From 'bumble' (the humming sound) plus 'bee,' referring to the fuzzy, round-bodied bees that make a distinctive loud buzzing noise.
Bumblebees shouldn't be able to fly according to the math—they're too fat and their wings are too small—but they fly anyway because their wing muscles vibrate at incredibly high frequencies.
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