the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes
a center of activity or interest or commerce or transportation; a focal point around which events revolve; "the playground is the hub of parental supervision"; "the airport is the economic hub of the area"
protective covering that protects something from direct sunlight; "they used umbrellas as shades"; "as the sun moved he readjusted the shade"
a representation of the effect of shadows in a picture or drawing (as by shading or darker pigment)
a quality of a given color that differs slightly from a primary color; "after several trials he mixed the shade of pink that she wanted"
a position of relative inferiority; "an achievement that puts everything else in the shade"; "his brother's success left him in the shade"
relative darkness caused by light rays being intercepted by an opaque body; "it is much cooler in the shade"; "there's too much shadiness to take good photographs"
protect from light, heat, or view; "Shade your eyes when you step out into the bright sunlight"
air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water
a sweet flavored liquid (usually containing a small amount of alcohol) used in compounding medicines to be taken by mouth in order to mask an unpleasant taste
the middle area of the human torso (usually in front); "young American women believe that a bare midriff is fashionable"
an intermediate part or section; "A whole is that which has beginning, middle, and end"- Aristotle
time between the beginning and the end of a temporal period; "the middle of the war"; "rain during the middle of April"
between an earlier and a later period of time; "in the middle years"; "in his middle thirties"
of a stage in the development of a language or literature between earlier and later stages; "Middle English is the English language from about 1100 to 1500"; "Middle Gaelic"
a part of the cell containing DNA and RNA and responsible for growth and reproduction
any histologically identifiable mass of neural cell bodies in the brain or spinal cord
the positively charged dense center of an atom
(astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc.