def·i·ni·tion
/ˌdefəˈniSH(ə)n/
Learn to pronounce
noun
1.
a statement of the exact meaning of a word, especially in a dictionary.
"a dictionary definition of the verb"
2.
the degree of distinctness in outline of an object, image, or sound, especially of an image in a photograph or on a screen.
"the clarity and definition of pictures can be aided by using computer graphics"