From BiblePortal Wikipedia

Fausset's Bible Dictionary [1]

("a worm".) A station in Israel's march ( Numbers 33:21-22). Roman Rasa, 30 miles from Elath, on the road to Jerusalem, on the plateau of the wilderness near the hill now named Ras-El-Κaa , i.e. "head of the plain," N.W. of Ezion Geber, and W. of El Beyaneh.

Hawker's Poor Man's Concordance And Dictionary [2]

A place of encampment to Israel, ( Numbers 33:21) If from Rasah, it means watering as the dew.

Hastings' Dictionary of the Bible [3]

Rissah . A ‘station’ of the Israelites (  Numbers 33:21 f.).

Morrish Bible Dictionary [4]

One of the stations of the Israelites.  Numbers 33:21,22 .

Holman Bible Dictionary [5]

 Numbers 33:21-22

Easton's Bible Dictionary [6]

 Numbers 33:21,22

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [7]

(Heb. Rissah', רַסָּה , A Ruin ; Sept. ῾Ρεσσά v.r. ῾Ρεσσάν and Δεσσά ) , the twentieth station of the Hebrews in the desert ( Numbers 33:21-22). It lies, as there given, between Libnah and Kehelathah, and has been considered identical with Rasa in the Peuting. Itiner., thirty-two Roman miles from Ailah (Elah), and 203 miles south of Jerusalem, distinct, however, from the ῾Ρῆσσα of Josephus ( Ant. 14, 15, 2). (See Exode).

International Standard Bible Encyclopedia [8]

ris´a ( רסּה , riṣṣāh , "dew"): A camp of the Israelites in the wilderness wanderings between Libnah and Kehelathah (  Numbers 33:21 f). See Wanderings Of Israel .