from
The Collaborative International Dictionary of English v.0.48
Right-hand \Right"-hand`\, a.
1. Situated or being on the right; nearer the right hand than
the left; as, the right-hand side, room, or road.
[1913 Webster]
2. Chiefly relied on; almost indispensable.
[1913 Webster]
Mr. Alexander Truncheon, who is their right-hand man
in the troop. --Addison.
[1913 Webster]
{Right-hand rope}, a rope which is laid up and twisted with
the sun, that is, in the same direction as plain-laid
rope. See Illust. of {Cordage}.
[1913 Webster]