ˈsəmnə(r)- noun
Usage: usually capitalized S
Etymology: after Thomas H. Sumner, 19th century American sea captain
: a line of position determined by Sumner's method
ˈsəmnə(r)- noun
Usage: usually capitalized S
Etymology: after Thomas H. Sumner, 19th century American sea captain
: a line of position determined by Sumner's method
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012