| OPULUSES | • OPULUS n. (Latin) the guelder-rose. |
| ANNULUSES | • annuluses n. Plural of annulus. • ANNULUS n. (Latin) a ring or ringlike part. |
| CUMULUSES | • CUMULUS n. (Latin) a kind of cloud. |
| LIMULUSES | • LIMULUS n. (Latin) a horseshoe crab, also LIMULOID. |
| MIMULUSES | • mimuluses n. Plural of mimulus. • MIMULUS n. any of various plants of the genus Mimulus, cultivated for their yellow or red flowers. |
| REGULUSES | • reguluses n. Plural of regulus. • REGULUS n. (Latin) a mass that forms beneath the slag in a furnace. |
| RIVULUSES | • RIVULUS n. a small tropical American fish. |
| TUMULUSES | • tumuluses n. (Nonstandard) plural of tumulus. • TUMULUS n. (Latin) a mound over a grave. |
| CALCULUSES | • calculuses n. Plural of calculus. • CALCULUS n. (Latin) a branch of mathematics. |
| SURCULUSES | • SURCULUS n. (Latin) a sucker. |
| VOLVULUSES | • volvuluses n. Plural of volvulus. • VOLVULUS n. (Latin) a twisting of the intestine that causes obstruction. |
| CAULICULUSES | • CAULICULUS n. one of the slender stems springing from the caules or main stalks supporting the volutes in the Corinthian capital. |
| MONTICULUSES | • MONTICULUS n. a little hill, also MONTICLE. |
| PANNICULUSES | • PANNICULUS n. a thin, sheetlike garment, also PANNICLE, PANNIKEL. |
| RANUNCULUSES | • ranunculuses n. Plural of ranunculus. • RANUNCULUS n. a genus of herbs, mostly with yellow flowers, including crowfoot and buttercups. |
| CONVOLVULUSES | • convolvuluses n. Plural of convolvulus. • CONVOLVULUS n. (Latin) a genus of climbing plants. |
| DRACUNCULUSES | • DRACUNCULUS n. the green dragon genus of Araceae. |
| PRECALCULUSES | • PRECALCULUS n. a mathematical prerequisite for the study of calculus. |