n A soft, fatty foodstuff made by churning the cream of milk (generally cow's milk).
n Any of various foodstuffs made from other foods or oils, similar in consistency to, eaten like or intended as a substitute for butter (preceded by the name of the food used to make it).
n Any of various substances made from other (especially plant-based) oils or fats, used in moisturizers, cosmetics, etc.
n (obsolete, chemistry) Any specific soft substance.
n (aviation, slang) A smooth plane landing.
v (transitive) To spread butter on.
v (skiing, snowboarding) To move one's weight backwards or forwards onto the tips or tails of one's skis or snowboard so only the tip or tail is in contact with the snow. Similar to applying butter to bread with then end of a butterknife.
v Hyponyms: nosebutter, tailbutter
v To spin on skis or a snowboard using only the tips or tails being in contact with the snow
v (slang, obsolete, transitive) To increase (stakes) at every throw of dice, or every game.
n Someone who butts, or who butts in.
adj Very smooth, very soft
n A surname.