noun
: energy vigorously exerted in the performance especially of manual labor : strenuous application of oneself : sweat
this was the first such expedition not powered solely by the elbow grease of oarsmen — New Yorker
noun
: energy vigorously exerted in the performance especially of manual labor : strenuous application of oneself : sweat
this was the first such expedition not powered solely by the elbow grease of oarsmen — New Yorker
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012