CVC word is a three-letter word available in English grammar. It is the short form of the consonant-oval-consonant word. It means forming a word using two consonants in between any of the five vowels. The concept will get clear with the consideration of a few examples.
s__t p__g. b__g d__t s__n
f__n. l__g s__t. l__t b__n
These blanks can be filled by any of the ovals-, a,e, i, o,u.
Then we get,