[horseshoe crab] n (1797): any of several closely related marine arthropods (order Xiphosura and class Merostomata) with a broad crescentic cephalothorax--called also king crab
HORSESHOE CRAB
Meaning of HORSESHOE CRAB in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012