A colloquial abbreviation of TERRITORIAL, applied to members of the Territorial Army; = TERRIER2 3.

1

1907.  Daily Chron., 31 Dec., 3/4. The ‘Terries’ will be made to feel that there is little or no difference between them and the Tommies. Ibid., 4/7. Obviously some kind of a nickname must be found for the new Territorial Army…. Upon another page Mr. Charles Lowe boldly calls our soldiers of the future ‘The Terries.’

2