a structure or marking that serves to direct the motion or positioning of something | small auxiliary gas burner that provides a flame to ignite a larger gas burner |
a model or standard for making comparisons | an inclined metal frame at the front of a locomotive to clear the track |
something that offers basic information or instruction | something that serves as a model or a basis for making copies |
someone employed to conduct others | a program exemplifying a contemplated series; intended to attract sponsors |
someone who can find paths through unexplored territory | someone who is licensed to operate an aircraft in flight |
someone who shows the way by leading or advising | a person qualified to guide ships through difficult waters going into or out of a harbor |