Definitions for: Nisus


[n] an effortful attempt to attain a goal



Webster (1913) Definition: Ni"sus, n. [L., fr. niti, p. p. nisus, to strive.]
A striving; an effort; a conatus.

A nisus or energizing towards a presented object.
--Hickok.


Ni"sus, n. (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.

Synonyms: pains, strain, striving

See Also: attempt, effort, endeavor, endeavour, try

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