DUTIFUL a.
Performing, or ready to perform, the duties required by one who has the right to claim submission, obedience, or deference; submissive to natural or legal superiors; obedient, as to parents or superiors; as, a dutiful son or daughter; a dutiful ward or servant; a dutiful subject.
FLAG n.
ign of mourning. -- To strike, or lower, the flag, to haul it down, in token of respect, submission, or, in an engagement, of surrender. -- Yellow flag, the quarantine flag of all nations; also carried at a vessel's fore, to denote that an infectious disease is on board.