ARACHNIDA

Arachnida, class Arachnida

(noun) a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings

Source: WordNet® 3.1


A*rach"ni*da, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Definition: One of the classes of Arthropoda. See Illustration in Appendix.

Note: They have four pairs of legs, no antennæ nor wings, a pair of mandibles, and one pair of maxillæ or palpi. The head is usually consolidated with the thorax. The respiration is either by trancheæ 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.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

12 December 2024

CONDOM

(noun) contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse


coffee icon

Coffee Trivia

There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.

coffee icon