- Acarina
- Arachnida A*rach"ni*da, n. pl. [NL., fr. Gr. ? spider.]
(Zo["o]l.)
One of the classes of Arthropoda. See Illustration in
Appendix.
[1913 Webster]
Note: They have four pairs of legs, no antenn[ae] nor wings, a pair of mandibles, and one pair of maxill[ae] or palpi. The head is usually consolidated with the thorax. The respiration is either by tranche[ae] or by pulmonary sacs, or by both. The class includes three principal orders: {Araneina}, or spiders; {Arthrogastra}, including scorpions, etc.; and {Acarina}, or mites and ticks. [1913 Webster]
The Collaborative International Dictionary of English. 2000.