thank you • interj. a polite expression used when acknowledging a gift, service, or compliment, or accepting or refusing an offer: thank you for your letter no thank you, I don't believe I will. • n. an instance or means of expressing thanks: Lucy planned a party as a thank you to the nurses | [as adj.] thank-you letters.
"thank you." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (January 18, 2019). https://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/thank-you
"thank you." The Oxford Pocket Dictionary of Current English. . Retrieved January 18, 2019 from Encyclopedia.com: https://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/thank-you