Conditions listing medical symptoms: Quadriplegia: The following list of conditions have 'Quadriplegia' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.
Definition of flyâbyânight. 1  1 : given to making a quick profit usually by shady or irresponsible acts. 2  2 : transitory, passing flyâbyânight fashions.
Night â Aviation Definition. Night: The aviation definition of the term Night has a significant Regulatory impact on aviation and worldwide aircraft operations . Many international regulations and standards apply specifically to aviation operations conducted at night or differentiate between operations permitted by day and those permitted at night.