| ACULEUS | • aculeus n. (Botany) A sharp spike or other projection growing on a plant, as in some brambles and roses. • aculeus n. A sting. • ACULEUS n. (Latin) a prickle growing on the bark, as in some brambles and roses. |
| AUCUBAS | • aucubas n. Plural of aucuba. • AUCUBA n. a shrub of the dogwood family. |
| CARDUUS | • Carduus prop.n. A taxonomic genus within the family Asteraceae – many thistles native to the Old World. • CARDUUS n. (Shakespeare) a thistle. |
| LUCUMAS | • lucumas n. Plural of lucuma. • lúcumas n. Plural of lúcuma. • LUCUMA n. (Quechua) a tree of the Lucuma genus of sapotaceous trees with edible fruit, mostly found in South America. |
| MUTUCAS | • MUTUCA n. (Tupi) a large Brazilian biting fly, also MOTUCA. |
| RAUCOUS | • raucous adj. Harsh and rough-sounding. • raucous adj. Disorderly and boisterous. • raucous adj. Loud and annoying. |
| SUCCUBA | • succuba n. A female demon or fiend; a succubus. • SUCCUBA n. (Latin) a female demon, also SUCCUBUS. |
| URACHUS | • urachus n. (Anatomy) A band of fibrous tissue extending from the bladder to the umbilicus. • URACHUS n. (Greek) a cord or band of fibrous tissue extending from the bladder to the umbilicus. |
| USAUNCE | • usaunce n. Obsolete form of usance. • USAUNCE n. a generally accepted practice or procedure, also USAGE, USANCE. |
| USUCAPT | • usucapt v. (Transitive) To acquire by usucaption. • USUCAPT v. to acquire by long possession. |
| VACUOUS | • vacuous adj. Empty; void; lacking meaningful content. • vacuous adj. Showing a lack of thought or intelligence; vacant. • VACUOUS adj. empty. |
| VACUUMS | • vacuums v. Third-person singular simple present indicative form of vacuum. • vacuums n. Plural of vacuum. • VACUUM v. to operate a cleaner that uses suction. |