Medical Dictionary

surfer's knot

noun surf·er's knot \ˈsər-fərz-\

Definition of SURFER'S KNOT

:  a knobby lump just below a surfer's knee or on the upper surface of the foot caused by friction and pressure between surfboard and skin—called also surfer's knob, surfer's lump, surfer's nodule
March 26, 2015
verdigris Hear it
A green deposit formed on some metals
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