arachnid


Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia, Wikipedia.

arachnid

 [ah-rak´nid]
any member of the class arachnida.

arachnid

(ə-răk′nĭd)
n.
Any of various arthropods of the class Arachnida, such as spiders, scorpions, mites, and ticks, characterized by four pairs of segmented legs and a body that is divided into two regions, the cephalothorax and the abdomen.

a·rach′ni·dan (-nĭ-dən) adj. & n.

arachnid

Etymology: Gk, arachne, spider
a member of the phylum Arthropoda, class Arachnida, which includes spiders, scorpions, mites, and ticks.

arachnid

adjective Referring to a member of the class Arachnida (e.g., spiders).
 
noun A member of the class Arachnida (e.g., spiders).

arachnid

Any of the eight-legged arthropods of the class Arachnida , including spiders, scorpions, mites, and ticks. From the Greek arachne , a spider.

arachnid

or

arachnoid

any member of the class Arachnida in the phylum Arthropoda. The class contains scorpions, spiders, harvestmen, ticks, mites and king crabs. They lack antennae, usually possess four pairs of walking legs, and, excepting Limulus (king crab), are air-breathing.

Arachnid

Large class of arthropods that includes spiders, scorpions, mites, and ticks. Arachnids have a segmented body divided into two parts, one of which has four pairs of legs but no antennae.
Mentioned in: Bites and Stings

arachnid

a member of the class Arachnida of animals.
References in periodicals archive ?
Pairwise dissimilarities between the different forest types as defined by arachnid assemblages.
We sampled exemplar sequences from all arachnid orders and major spider lineages for which at least one full sequence of the entire 18S gene was available in Genbank (http://www.
Finally, we review the patterns of early parental care and more complex social behavior known for each of the non-Araneae arachnid orders, and make proposals about characterizing social behavior in these species.
Insects, arachnids and crustaceans are Kutcher's livelihood.
SHE says: "I met my partner Dewi Rhys Williams on the set of Arachnid," she says.
Heiling of the University of Vienna to study arachnid light preferences.
Nasdaq:PALM) today announced Jonathan Leonhard of Arachnid Web Design as its 100,000th registered developer.
SHAD COPE CUR HAIR HART ORE EZRA ARACHNID DESPOT WHO EATEN UIST BLISTER ROTA AID SLICE WAR SNOB CABFARE HOLE SAMBA SPT ESCUDO LECTURER TREX EVA SOLO OGLE NED SPIN REIN
The puzzle, planted and cut by Mr Pearcy, 32, on his 450-acre farm at Heslington has a giant arachnid at the centre.
Although arachnid societies bear a superficial resemblance to these insect communities, they operate by markedly different reproductive rules.
Equipped with the ability to move quickly and jump, this smart and nimble arachnid has thrived where less adaptable species have become extinct.
But Martha's seemingly harmless prank backfires in spectacular fashion this week when Jack discovers the fake arachnid and is so shocked he stumbles and knocks himself out in the process.