noun
plural cones
[count] a shape that has a pointed top and sides that form a circle at the bottom
a hard and dry part that is the fruit of a pine tree or other evergreen plant and contains many seeds
something that looks like a cone
the top of a volcano
a thin crisp cookie that is usually shaped like a cone and that is used to hold ice cream
verb
cones; coned; coning
cone off
[phrasal verb]
cone off (something) Brit :to close off (a road or part of a road) with traffic cones