The term 'leonine locks' refers to a type of hairstyle that is characterized by long, thick, and wavy hair. The crossword solutions for this term are 'manes' (5 letters) and 'MANE' (4 letters). 'MANE' is a noun that refers to the long, thick hair that grows from the neck of certain animals, such as horses and lions. 'Manes' is the plural form of 'MANE' and is used to refer to the long, thick hair of multiple animals.