Medical Dictionary
surfer's knot
noun surf·er's knot \ˈsər-fərz-\
Medical 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
Seen & Heard
What made you want to look up surfer's knot? Please tell us where you read or heard it (including the quote, if possible).