(noun) The periodic procreative desire manifested in the spring by birds, etc.
(noun) The contraction of the diaphragm and abdominal muscles to evacuate feces or urine.
Nisus tanım:
Kelime: ni·sus Söyleniş:'nI-s&s İşlev:noun Türleri:pluralni·sus /-s&s, -"süs/ Kökeni: Latin, from niti to lean, rely, strive; akin to Latin nictare to wink -- more at CONNIVE : a mental or physical effort to attain an end : a perfective urge or endeavor