The term 'lamprey-like' refers to a type of eel-like fish that has a round, sucker-like mouth and a long, slender body. The crossword solution for this term is 'EELY, ' which is an adjective used to describe something that resembles a lamprey. Lampreys are primitive, jawless fish that have been around for millions of years and can be found in both fresh and salt water. They are known for their ability to attach themselves to other fish and feed on their blood.