Definitions
1.AdjectiveShaking, swaying or moving back and forth.
2.AdjectiveExcellent; great.
3.Verbpresent participle and gerund of rock
4.NounThe motion of something that rocks.
5.NounThe abrading of a copper plate with a rocker, preparatory to mezzotinting.
6.NounThe motion by which the design on a steel mill is transferred to a copper cylinder.