sun lotionn. chiefly British lotion applied to the skin to protect it from ultraviolet rays and prevent sunburn, suntan lotion; a product of this type.
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1932 N.Y. Times 22 May 17/2 (advt.) Antiseptic Sun Lotion.
1967 H. PinterTea Party 49 You're off to Spain... What sun lotion do you use, Lois?
2004 Red Oct. 213/1Sun lotions can make make-up slip.