an edible emulsion of fat globules made by churning milk or cream; for cooking and table use
"She spread a thick layer of butter on her warm toast before adding the jam."
a fighter who strikes the opponent with his head
"The boxer was disqualified after he tried to butter his rival during the final round of the match."
A soft, fatty foodstuff made by churning the cream of milk (generally cow's milk).
"The new intern was accused of being a butter whenever she interrupted meetings to share her own ideas before others had finished speaking."
Someone who butts, or who butts in.
In plain English: Butter is a soft, yellow fat made from churned cream that people spread on bread to eat with meals.
"She spread butter on her toast for breakfast."
Usage: Use this word to refer specifically to a dairy product derived from churned cream rather than general fats like margarine. Avoid confusing it with its verb form when describing someone who interrupts conversations abruptly.
To spread butter on.
"She carefully buttered each slice of warm toast before placing it on her plate."
Very smooth, very soft
"The ripe avocado was buttery to the touch."
A surname.
"The famous chef named Butter won the culinary award last night."
The word "butter" comes from the Proto-Indo-European root *gʷṓws, which originally meant "cow." It entered English through Ancient Greek and Latin, where it referred to the food made from cow's milk.