peritrichous
/pɪˈrɪtrɪkəs/ /ˌpɛrɪˈtrʌɪkəs/adjective
1 Zoology. Of a ciliate: having the cilia confined to a spiral band around the oral opening; belonging to the subclass or order Peritricha.
2 Bacteriology. Of a bacterium: having flagella over the whole body surface.
Origin
Late 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From peri- + -trichous. In sense 1 after scientific Latin Peritricha (F. Stein Organismus der Infusionsthiere I. 72; also German peritrich, adjective).