Learn how to say Terrier correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word terrier:
1a small dog of a breed originally used for turning out foxes and other burrowing animals from their earths.
used in similes to emphasize tenacity or eagerness:
she would fight like a terrier for every penny
2 (Terrier) British informal a member of the Territorial Army.
late Middle English: from Old French (chien) terrier ‘earth (dog)’, from medieval Latin terrarius, from Latin terra ‘earth’