A caldera. A crater is what is formed when a large meteor(ite) strikes a planet.
The Crater
caldara
A crater
They are spindle shaped and nonstriated with a single, central nucleus.
A bowl-shaped area that forms around a volcano's central vent is called a crater.
A crater
no, is just a little bit different. crater is at the top of the central vent in most volcanoes and is funnel-shaped, and is already made, a caldera is a magma chamber that supplied material to the volcano until it empties and the roof collapse.
Funnel-shaped
infundibuliform is a word that means funnel shaped.
Cone
Normally not, but typhoons can produce tornadoes which usually do have a funnel shaped cloud.
The word "infundibuliform" means funnel shaped. Some plants with funnel-shaped flowers include: Cali Lily, Morning Glory and the Ixia in South Africa.