3 occurrences in 3 dictionaries
Reference: Sinite
Fausets
A tribe of Canaan (Ge 10:17). In the Lebanon district Strabo mentions Sinna (16:2, section 18); Jerome that near Area was Sinum, Sini (Quaest,. Hebrew in Genes.).
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Smith
Sin'ite,
a tribe of Canaanites,
whose position is to be sought for in the northern part of the Lebanon district.