mecca mecca /ˈmɛkə/

noun

1. A place that attracts many visitors  ( mecca )
   a place that attracts many visitors
    New York is a mecca for young artists
   New York is a mecca for young artists
   
   

 Mecca

1. Joint capital (with Riyadh) of Saudi Arabia; located in western Saudi Arabia; as the birthplace of Muhammad it is the holiest city of Islam  ( Mecca )
   joint capital (with Riyadh) of Saudi Arabia; located in western Saudi Arabia; as the birthplace of Muhammad it is the holiest city of Islam
    Every year, millions of Muslims travel to Mecca for the Hajj pilgrimage.
   Every year, millions of Muslims travel to Mecca for the Hajj pilgrimage.
   
   

 quark quark /ˈkwɑːrk/

noun

1. Fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet  ( quark , quark cheese , curd cheese [British] )
   fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet
   
2. (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3  ( quark )
   (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3
    Quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally
   quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally
   
   

 genus Cola genus Cola /ˈdʒiːnəs ˈkoʊlə/

noun

1. Large genus of African trees bearing kola nuts  ( Cola , genus Cola )
   large genus of African trees bearing kola nuts
   
   

 live-bearer live-bearer /ˈlaɪvˌbɛərər/

noun

1. Small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control  ( live-bearer , poeciliid , poeciliid fish , topminnow )
   small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control