0 a greeting, or an act showing that you have made an agreement, in which two people who are facing each other take hold of and shake each other's right hand:
1 a greeting or expression of agreement in which two people who are facing each other take hold of each other’s right hands and move them up and down
2 a greeting in which two people who are facing each other take hold of each other's right hand and move it up and down:
3 a business agreement made informally without signing an agreement:
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.