Sa"ros (?), n. [NL., fr. Gr. ] Astron
A Chaldean astronomical period or cycle, the length of which has been variously estimated from 3,600 years to 3,600 days, or a little short of 10 years.
Brande & C.
<-- A length of time (6535.82 days, or 18 years 11.32 days, assuming 4 leap years in that interval), after which the eclipses of the sun repeat their pattern, but are shifted 120° west.. -->
© Webster 1913.