Knack

Webster's Dictionary of the English Language

·vi To speak affectedly.

II. Knack ·noun A petty contrivance; a toy; a plaything; a knickknack.

III. Knack ·vi To Crack; to make a sharp, abrupt noise to chink.

IV. Knack ·noun A readiness in performance; aptness at doing something; skill; facility; dexterity.

V. Knack ·noun Something performed, or to be done, requiring aptness and dexterity; a trick; a device.