Like gasoline, once

verb

1. To cover, line, or weight with lead see lead
2. To fix (window glass) in position with leads
3. To put space between the lines of (typeset matter)
4. To treat or mix with lead or a lead compound

   "leaded gasoline"

verb

1. To guide on a way especially by going in advance

   "led the officers to his hiding place"

2. To direct on a course or in a direction

   "a road leading the traveler to the heart of the city"

3. To serve as a channel for

   "a pipe leads water to the house"

4. To go through live

   "lead a quiet life"

5. To bring to some conclusion or condition

   "led to believe otherwise"

6. To begin play with

   "lead trumps"

7. To aim in front of (a moving object)

   "lead a duck"

8. To pass a ball or puck just in front of (a moving teammate)
9. To guide someone or something along a way

   "You lead and we'll follow."

10. To lie, run, or open in a specified place or direction

    "path leads uphill"

11. To guide a dance partner through the steps of a dance
12. To be first

    "This state leads in population."

13. To tend toward or have a result

    "study leading to a degree"

14. To direct the first of a series of blows at an opponent in boxing

plural noun

1. Windows with glass separated by narrow pieces of lead