Associations to the word «Xiphosura»
XIPHOSURA, proper noun. A taxonomic order within the class Merostomata — distinguished from all other chelicerates by having compound eyes. The only living xiphosurans are the horseshoe crabs.
XIPHOSURA, noun. Horseshoe crabs and extinct forms.
Men govern nothing with more difficulty than their tongues, and can moderate their desires more than their words.