This Week in Calvinism - April 14, 2017. 1  Why we call the worst Friday Good..  2 Both Arminianism and Calvinism are religious beliefs, writes Ted Jones, which falsely assert that Jesus' murder by crucifixion has resolved all the outstanding issues mankind has with sin.. 3  We Calvinists believe Christ died for the elect.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  crustacean(adj) any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton. 2  crustaceous, crustacean(adj) of or belonging to the class Crustacea.
Crabs and crayfish are crustaceans, a subdivision of arthropods-the large group of animals without backbones (invertebrates) that includes insects, spiders, mites, scorpions â¦ and springtails. Arthropods have jointed legs and a hard outer shell that acts as a skeleton. 10 people found this useful.oaches are insects, not crustaceans. Crustaceans are mostly aquatic animals, although some (like the sow bug) do live in damp land environments. Roaches do not need an aquati â¦ c or damp environment and they flourish in dry areas including deserts.