[noun] [C] - a small sea animal with a shell shaped like a pointed hat which fixes itself to rocksThomas ran to greet her and clung to her like a limpet, begging her never to leave him again.A (UK and ANZ) limpet mine/(US) limpet is a type of bomb that is fixed to what it is intended to destroy with a magnet or glue and is very difficult to remove.
LIMPET
Meaning of LIMPET in English
Cambridge English vocab. Кембриджский английский словарь. 2012