ETYM Old Eng. chalenge claim, accusation, challenge, Old Fren. chalenge, chalonge, claim, accusation, contest, from Latin calumnia false accusation, chicanery. Related to Calumny.
1. A call to engage in a contest or fight.
2. A demand by a sentry for a password or identification.
3. A demanding or stimulating situation.
4. A formal objection to the selection of a particular person as a juror.
5. Questioning a statement and demanding an explanation.