Agonist

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Agonist \Ag"o*nist\, n. [Gr. ?.]
     One who contends for the prize in public games. [R.]
     [1913 Webster] Agonistic

From WordNet (r) 2.0 [wn]:



  agonist
       n 1: the principal character in a work of fiction [syn: {protagonist}]
       2: someone involved in a contest or battle (as in an agon)
          [ant: {adversary}]
       3: a muscle that contracts while another relaxes; "when bending
          the elbow the biceps are the agonist"
       4: (biochemistry) a drug that can combine with a receptor on a
          cell to produce a physiological reaction