Look up: Nisus

1. 
   Nisus
   Ni'sus noun (Physiol.) (a) The periodic procreative desire manifested in the spring by birds, etc. (b) The contraction of the diaphragm and abdominal muscles to evacuate feces or urine.
   Found on http://www.encyclo.co.uk/webster/N/24
   
   
2. 
   Nisus
   Ni'sus noun [ Latin , from niti , past participle nisus , to strive.] A striving; an effort; a conatus. « A nisus or energizing towards a presented object.» Hickok.
   Found on http://www.encyclo.co.uk/webster/N/24
   
   
3. 
   Nisus
   In classical mythology, `Nisus` or `Nisos` may refer to: * Nisos, a king of Megara. * Nisus, son of Hyrtacus, lover of Euryalus. * Silenus, also called Nisus, foster father of Dionysus. * Nissus of Dulichium, son of Aretias, father of Amphinomus. `Nisus` may also refer to: * Nisus Writer, a word processor for the Apple Macintosh.
   Found on http://en.wikipedia.org/wiki/Nisus
   
   
4. 
   Nisus
   • (n.) A striving; an effort; a conatus. • (n.) A striving; an effort; a conatus. • (n.) The periodic procreative desire manifested in the spring by birds, etc. • (n.) The contraction of the diaphragm and abdominal muscles to evacuate feces or urine.
   Found on http://thinkexist.com/dictionary/meaning
   
   
5. 
   Nisus
   in Greek mythology, king of Megara, a son of King Pandion of Athens. His name was given to the Megarian port of Nisaea. Nisus had a purple lock of ...
   Found on http://www.britannica.com/eb/a-z/n/44
   
   
6. 
   nisus
   nisus 1. A striving, exertion, effort; an attempt or effort to accomplish an aim or goal. 2. Any strong effort or struggle.
   Found on http://www.wordinfo.info/words/index/inf
   
   
7. 
   Nisus
   The creative principle of emergent evolution. See Emergent Evolution. -- R.B.W.
   Found on http://www.ditext.com/runes/n.html