Close-Fitting One Piece Worn by a Ballerina or Gymnast
Puzzle 12 of Aquarium Easy Pack
Question is: Close-Fitting One Piece Worn by a Ballerina or Gymnast
and the answer is: LEOTARD
Word Meaning:
LEOTARD — A one-piece skintight garment with or without sleeves and without legs (often worn by gymnasts, acrobats, wrestlers, female swimmers, etc.)
Definitions from Wiktionary.