Lavoisier is a lunar crater that is located near the northwestern limb , at the western edge of the Oceanus Procellarum. It is located to the southwest of the crater von Braun and southeast of Bunsen. Due south is the disintegrated crater Ulugh Beigh. This is a worn crater formation with several small craters attached to the exterior of the rim. (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.