ˌris ə nˈ(y)ülēˌī noun plural
Usage: capitalized
Etymology: New Latin, plural diminutive of Latin ricinus tick
: 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
• ric·i·nu·le·id -ēə̇d noun or adjective