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.

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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