From BiblePortal Wikipedia

Smith's Bible Dictionary [1]

Ta'rah. (Delay). A desert-station of the Israelites, between Tahath and Mithcah.  Numbers 33:27.

Fausset's Bible Dictionary [2]

A stage in Israel's march between Tahath (jebel et Tih) and Mithcah ( Numbers 33:27). The region possibly of the Tawarah Arabs.

Morrish Bible Dictionary [3]

One of the halting places of the Israelites.  Numbers 33:27,28 .

Holman Bible Dictionary [4]

 Numbers 33:27-28

Easton's Bible Dictionary [5]

 Numbers 33:27,28

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [6]

(Heb. Te'rach, תֶּרִח [in pause Tdrach, טָרִח ], Wandering or Delay; Sept. Ταράθ v.r. Θαράθ ; Vulg. Thaire ), a station of the Israelites in the desert, situated between Tahath and Mithcah ( Numbers 33:27); perhaps in the great Wady el-Jerafeh, opposite Mount Hor. (See Exode).

International Standard Bible Encyclopedia [7]

tā´ra , târ´a (  Numbers 33:27 f the King James Version). See Terah .