accident
ac.ci.dent \'ak-s*d-*nt, -s*-.dent\ n [ME, fr. MF, fr. L accident-,
accidens nonessential quality, chance], fr. prp. of accidere to happen, fr.
ad- + cadere to fall - more at CHANCE 1a: an event occurring by chance or
from unknown causes 1b: lack of intention or necessity : CHANCE 1c: an
unforeseen or unplanned event 2a: an unfortunate event resulting from
carelessness, unawareness, ignorance, or unavoidable causes 2b: an
unexpected happening causing loss or injury which is not due to any fault
or misconduct on the part of the person injured but from the consequences
of which he may be entitled to some legal relief 3: a nonessential property
of an entity or circumstance 4: an irregularity of a surface (as of the
moon)