sivan

Noun

Si=van

WORDNET DICTIONARY

sivan(n = noun.time) siwan - the ninth month of the civil year; the third month of the ecclesiastical year in the Jewish calendar (in May and June);

is a part of hebrew calendar, jewish calendar

is a kind of jewish calendar month

sivan, n. [Heb. sīvān.].

The third month of the Jewish ecclesiastical year; -- supposed to correspond nearly with our month of June. [1913 Webster]

Also see definition of "sivan" in Bible Study Dictionaries