pioneer

pioneer [pī΄ə nir′]

n.

[Fr pionnier < OFr peonier, foot soldier < peon: see PEON]

1. Archaic a member of a military engineer unit trained to construct or demolish bridges, roads, trenches, etc.

☆ 2. a person who goes before, preparing the way for others, as an early settler or a scientist doing exploratory work

3. a plant, animal, etc. that starts a new cycle of life in a barren area

adj.

1. being one of the first of its kind

2. of or characteristic of the settlers of a new territory

vi.

to be a pioneer

vt.

1. to prepare or open (a way, etc.)

☆ 2. to be a pioneer in or of