What is larger caliber?

Some articles on larger, caliber:

M2 Browning - History
... The machine gun was heavily used in World War I, and weapons of larger than rifle caliber were appearing ... Both the British and French had large caliber machine guns ... The larger rounds were needed to defeat the armor that was being introduced to the battlefield ...

Famous quotes containing the word larger:

    The life of man is a self-evolving circle, which, from a ring imperceptibly small, rushes on all sides outwards to new and larger circles, and that without end.
    Ralph Waldo Emerson (1803–1882)