| ASTRODOME | • astrodome n. A transparent dome in the fuselage of an aircraft or spacecraft through which navigational observations may be made. • Astrodome prop.n. A domed sports stadium in Houston, Texas. • ASTRODOME n. a stadium with a domed roof. |
| DARKROOMS | • darkrooms n. Plural of darkroom. • dark␣rooms n. Plural of dark room. • DARKROOM n. a room used for the development of photographic negatives. |
| DOOMSAYER | • doomsayer n. One who makes dire predictions about the future; one who predicts doom. • DOOMSAYER n. one who prophesies doom, also DOOMSDAYER. |
| DOORJAMBS | • doorjambs n. Plural of doorjamb. • DOORJAMB n. one of the two vertical members forming the sides of a doorframe, aka doorpost. |
| HEADROOMS | • headrooms n. Plural of headroom. • HEADROOM n. clear vertical space. |
| HYDROSOMA | • hydrosoma n. (Biology) The entire organism of any hydrozoon. • HYDROSOMA n. all the zooids of a hydroid colony collectively, also HYDROSOME. |
| MACROPODS | • macropods n. Plural of macropod. • MACROPOD n. an animal of the marsupial family that includes kangaroos. |
| MAINDOORS | • MAINDOOR n. the principal door of an establishment. |
| MALODOURS | • malodours n. Plural of malodour. • MALODOUR n. an offensive odor, also MALODOR, MALAROMA. |
| MODERATOS | • moderatos n. Plural of moderato. • MODERATO n. (Italian) a musical direction indicating a moderate degree of quickness. |
| MOONWARDS | • MOONWARDS adv. in the direction of the moon, also MOONWARD. |
| MOORLANDS | • moorlands n. Plural of moorland. • MOORLAND n. a tract of marshy land. |
| MOOSEYARD | • mooseyard n. A winter feeding-ground formed by moose trampling the snow. • MOOSEYARD n. an area where a moose treads down the snow and spends the winter. |
| MOPBOARDS | • mopboards n. Plural of mopboard. • MOPBOARD n. a narrow board nailed against the wall of a room next to the floor; aka skirting board. |
| ONDOGRAMS | • ondograms n. Plural of ondogram. • ONDOGRAM n. a graph of electric wave forms. |
| SMORZANDO | • smorzando adv. (Music) Fading away. • SMORZANDO adv. (Italian) with a gradual fading away, growing slower and softer, also SMORZATO. |
| SPODOGRAM | • SPODOGRAM n. a preparation of the ash from a section of a plant, used in microscopy. |
| WARDROOMS | • wardrooms n. Plural of wardroom. • WARDROOM n. an officer's mess-room on a warship. |