We found 3 dictionaries that define the word test-taker:

General (2 matching dictionaries)

1. test-taker: Wordnik
2. test-taker: Wiktionary

Slang (1 matching dictionary)

3. Test-Taker (offensive): Racial Slur Database

Definitions from Wiktionary (test-taker) ▸ noun:  One who takes a test. ▸ Words similar to test-taker ▸ Usage examples for test-taker ▸ Idioms related to test-taker ▸ Wikipedia articles (New!) ▸ Popular adjectives describing test-taker ▸ Words that often appear near test-taker ▸ Rhymes of test-taker ▸ Invented words related to test-taker