meridian meridian /mɝˈɪdiːən/

adjective

1. Being at the best stage of development  ( meridian , prime )
   being at the best stage of development
    Our manhood's prime vigor
   our manhood's prime vigor
   
2. Of or happening at noon  ( meridian )
   of or happening at noon
    Meridian hour
   meridian hour
   

noun

1. An imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator  ( line of longitude , meridian )
   an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator
    All points on the same meridian have the same longitude
   all points on the same meridian have the same longitude
   
2. The highest level or degree attainable; the highest stage of development  ( acme , meridian , pinnacle , elevation , peak , summit , superlative , tiptop , top , height )
   the highest level or degree attainable; the highest stage of development
    His landscapes were deemed the acme of beauty
   his landscapes were deemed the acme of beauty
    The artist's gifts are at their acme
   the artist's gifts are at their acme
    At the height of her career
   at the height of her career
    The peak of perfection
   the peak of perfection
    Summer was at its peak
   summer was at its peak
    ...catapulted Einstein to the pinnacle of fame
   ...catapulted Einstein to the pinnacle of fame
    The summit of his ambition
   the summit of his ambition
    So many highest superlatives achieved by man
   so many highest superlatives achieved by man
    At the top of his profession
   at the top of his profession
   

 Meridian

1. A town in eastern Mississippi  ( Meridian )
   a town in eastern Mississippi
    Meridian, Mississippi, is known for its historical architecture and southern charm.
   Meridian, Mississippi, is known for its historical architecture and southern charm.
   
   

 crab-eating seal crab-eating seal /ˈkræbˌiːtɪŋ siːl/

noun

1. Silvery grey Antarctic seal subsisting on crustaceans  ( crab-eating seal , crabeater seal )
   silvery grey Antarctic seal subsisting on crustaceans
   
   

 steam engine steam engine /stiːm ˈɛndʒɪn/

noun

1. External-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder  ( steam engine )
   external-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder
    The industrial revolution was propelled forward with the invention of the steam engine.
   The industrial revolution was propelled forward with the invention of the steam engine.
   
   

 Aeolia Aeolia /iːˈoʊliə/

noun

1. An ancient coastal region of northwestern Asia Minor (including Lesbos) where the Aeolians founded several cities around 1100 BC  ( Aeolia , Aeolis )
   an ancient coastal region of northwestern Asia Minor (including Lesbos) where the Aeolians founded several cities around 1100 BC