De Lalande is a multiring impact crater on Venus. It has a diameter of 21.6 km and wall width of 5.6 km. The crater has an outer rim but no peak and is in close proximity to the volcano Gula Mons. (wikipedia entry)
A crater is a circular depression likely created by an impact event. On the Moon they are named after deceased scientists, polar explorers, astronauts or cosmonauts.