Matri
The name Matri means “rain; prison”.
Smith's Bible Dictionary 1863
(rain of Jehovah), a family of the tribe of Benjamin, to which Saul the King of Israel belonged. (1 Samuel 10:21)
International Standard Bible Encyclopedia 1915
ma'-tri (maTri, "rainy"): A family of the tribe of Benjamin to which King Saul belonged (1Sa 10:21 the King James Version).