Definition of kaisers:
(n) :
An emperor of a German-speaking country, particularly the Holy Roman Empire (962–1806), the Austrian Empire/Austria-Hungary (1806–1918), or the German Empire (1871–1918) — often specifically Wilhelm II.
(n) :
(by extension) Any emperor or autocrat, or one who attempts to be one.
(n) :
A Kaiser roll: a round, pinwheel-shaped roll.
(n) :
A surname.
(n) :
Alternative form of Kaiser. [An emperor of a German-speaking country, particularly the Holy Roman Empire (962–1806), the Austrian Empire/Austria-Hungary (1806–1918), or the German Empire (1871–1918) — often specifically Wilhelm II.]