A type of surfboard which is about 6 to 7 feet long (boards are always measured in feet, even in metric countries), and with a tapered pointy nose.(noun)
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Use "shortboard" in a sentence
"Neither longboard nor shortboard, it was eight feet long and as oval as a platter."
"A shortboard just requires some different techniques."
"Tiny eight-year-old on the smallest shortboard on earth."