(1):

(v. i.) To be reluctant or to hesitate, as regards an action, on account of considerations of conscience or expedience.

(2):

(n.) Hence, a very small quantity; a particle.

(3):

(n.) A weight of twenty grains; the third part of a dram.

(4):

(v. t.) To regard with suspicion; to hesitate at; to question.

(5):

(v. t.) To excite scruples in; to cause to scruple.

(6):

(n.) Hesitation as to action from the difficulty of determining what is right or expedient; unwillingness, doubt, or hesitation proceeding from motives of conscience.