[arach.nid] n [NL Arachnida, fr. Gk arachne spider] (1869): any of a class (Arachnida) of arthropods comprising chiefly terrestrial invertebrates, including the spiders, scorpions, mites, and ticks, and having a segmented body divided into two regions of which the anterior bears four pairs of legs but no antennae -- arachnid adj
ARACHNID
Meaning of ARACHNID in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012