plural noun
Ric·i·nu·lei | \ˌrisᵊnˈ(y)ülēˌī\

Definition of Ricinulei 

: a small order of Arachnida comprising living and fossil forms with an oval hard body bearing a large movable hood that folds down in front over the mouthparts

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Other Words from Ricinulei

ricinuleid \-ēə̇d \ noun or adjective

History and Etymology for Ricinulei

New Latin, plural diminutive of Latin ricinus tick

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a state of commotion or excitement

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