(1):

(n.) A private arguing of cases for practice by students, as in the Inns of Court.

(2):

(p. pr. & vb. n.) of Bolt

(3):

(p. pr. & vb. n.) of Bolt

(4):

(n.) A sifting, as of flour or meal.

(5):

(n.) A darting away; a starting off or aside.