| ARBORETUMS | • arboretums n. Plural of arboretum. • ARBORETUM n. (Latin) a collection of trees. |
| ASPHALTUMS | • asphaltums n. Plural of asphaltum. • ASPHALTUM n. (Greek) a mixture of bituminous pitch with sand etc. used for surfacing paths, roads, etc., also ASPHALT. |
| COMBRETUMS | • combretums n. Plural of combretum. • COMBRETUM n. (Latin) a member of a genus of tropical trees known for the beauty of their flowers. |
| DIATRETUMS | • DIATRETUM n. (Latin) a kind of glass bowl of late Roman times. |
| EMPLECTUMS | • EMPLECTUM n. (archaic) ashlar masonry filled up with rubble, also EMPLECTON. |
| EQUISETUMS | • equisetums n. Plural of equisetum. • EQUISETUM n. (Latin) a plant, horsetail. |
| QUAESITUMS | • QUAESITUM n. (Latin) something sought for; the true value. |
| QUERCETUMS | • quercetums n. Plural of quercetum. • QUERCETUM n. (Latin) a plantation of oak trees. |
| SALICETUMS | • salicetums n. Plural of salicetum. • SALICETUM n. (Latin) a willow plantation. |
| SEPARATUMS | • SEPARATUM n. a separate offprint. |
| SUBMENTUMS | • SUBMENTUM n. the basal part of the labium of insects. |
| TORMENTUMS | • TORMENTUM n. (Latin) a missile hurler. |
| ULTIMATUMS | • ultimatums n. Plural of ultimatum. • ULTIMATUM n. (Latin) a last offer, or demand. |
| VITICETUMS | • VITICETUM n. a plantation of vines. |