noun
Etymology: from the name Peter
1. : a blue signal flag with a white square in the center used to indicate that a merchant vessel is ready to sail
2.
a. : purple gallinule b
b. Midland : american coot
noun
Etymology: from the name Peter
1. : a blue signal flag with a white square in the center used to indicate that a merchant vessel is ready to sail
2.
a. : purple gallinule b
b. Midland : american coot
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012