| CLUBMASTER | • clubmaster n. (Dated) The proprietor of a social club. • CLUBMASTER n. the manager of a club. |
| COMBRETUMS | • combretums n. Plural of combretum. • COMBRETUM n. (Latin) a member of a genus of tropical trees known for the beauty of their flowers. |
| COMBUSTORS | • combustors n. Plural of combustor. • COMBUSTOR n. the system in a jet engine by which combustion takes place. |
| CRUMBCLOTH | • crumbcloth n. A cloth laid under a dining table to receive falling fragments and keep the carpet or floor clean. • CRUMBCLOTH n. a cloth laid under a table to keep crumbs from the carpet. |
| CRUMBLIEST | • crumbliest adj. Superlative form of crumbly: most crumbly. • CRUMBLY adj. easily crumbed. |
| CUMBERMENT | • cumberment n. Encumberment; encumbrance. • CUMBERMENT n. the act of encumbering. |
| DUMBSTRUCK | • dumbstruck adj. So shocked as to be unable to speak. • DUMBSTRUCK adj. made silent by astonishment, also DUMBSTRICKEN. |
| MICROBURST | • microburst n. (Meteorology) A strong downdraft, of less than 2.5 miles in diameter, that can cause damaging winds… • MICROBURST n. a sudden violent downward rush of air usually associated with thunderstorms, also DOWNBURST. |
| MICROTUBES | • microtubes n. Plural of microtube. • MICROTUBE n. a minute tube. |
| PROCUMBENT | • procumbent adj. Prone or prostrate. • procumbent adj. (Botany) That trails along the ground. • procumbent adj. (Dentistry) inclined towards the lips. |
| THUMBSCREW | • thumbscrew n. A screw that can be turned with the thumb and fingers. • thumbscrew n. An instrument of torture used to crush the fingers. • thumbscrew n. (Figuratively) A weakness that can be taken advantage of. |
| TUBERCULUM | • tuberculum n. Tubercle. • TUBERCULUM n. a tubercle. |
| UMBRATICAL | • umbratical adj. Alternative form of umbratic. • UMBRATICAL adj. of or pertaining to the shade or darkness, also UMBRATIC. |