Definitions by WB's

trail head

giving head along the Oregon Trail to your partner as they ford the river.

You can only ride in my wagon if you give me trail head the whole way to Oregon.

trail head by WB's January 9, 2009

Giving head to your partner along the Oregon Trail/ any trail you please (ski slopes included).

You can ride in my wagon as long as you give me trail head all the way to Oregon.

trail head by WB's January 16, 2008