Baggage, especially that of an army; impedimenta.
A disability, especially one affecting the hearing or speech.
A hindrance; that which impedes or obstructs progress.
A boost, a sudden improvement; an advantage, an edge.
Assistance, help given to get started or overcome a problem or obstacle.
The act of assisting another's progress over a wall or other obstacle by forming a step for one of their feet with one's hands.