1. landau(n = noun.person) lev davidovich landau - Soviet physicist who worked on low temperature physics (1908-1968);
is a kind of physicist
2. landau(n = noun.artifact) - a four-wheel covered carriage with a roof divided into two parts (front and back) that can be let down separately;
is a kind of carriage, equipage, rig
A four-wheeled covered vehicle, the top of which is divided into two sections which can be let down, or thrown back, in such a manner as to make an open carriage. [1913 Webster]
landau, n. a four-wheeled enclosed carriage with a removable front cover and a back cover that can be raised and lowered.
Etymology:
Landau near Karlsruhe in Germany, where it was first made
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