|1.||[ noun ] (anatomy,zoology) any bundle of nerve fibers running to various organs and tissues of the body|
|Related terms:||fiber_bundle depressor motor_nerve sensory_nerve spinal_nerve cranial_nerve splanchnic_nerve sciatic_nerve saphenous_nerve ulnar_nerve musculospiral_nerve nerve_fiber synapse radicle|
|2.||[ noun ] the courage to carry on|
|Synonyms:||heart spunk mettle|
: "he kept fighting on pure spunk" "you haven't got the heart for baseball"
|Related terms:||courage steel|
|3.||[ verb ] get ready for something difficult or unpleasant|
|Related terms:||brace heart|
|4.||[ noun ] impudent aggressiveness|
|Synonyms:||brass effrontery face cheek boldness|
"I couldn't believe her boldness" "he had the effrontery to question my honesty"
|Related terms:||aggressiveness audacity cheek|