Definition of varicose vein
medical
: a vein that is abnormally swollen or made larger or wider
He developed varicose veins on his legs in his old age.
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“Varicose vein.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/varicose%20vein. Accessed 30 Jun. 2022.
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