(informal) Dr. Martens-brand footwear, especially a style of high lace-up leather boot with air-cushioned sole, traditionally associated with British skinheads, adopted by other subcultures at vari...

(meteorology) A very severe rainstorm lasting for many days, fed by an atmospheric river, causing massive flooding.

(organic chemistry) A univalent radical, CH₂=N- derived from the hypothetical formamine (imine derived from formic acid)

plural of triolet