on the outlook

Prepositional phrase

 * 1) Watching intently (from a vantage point, for someone or something).
 * 2) * 1791,, Travels to Discover the Source of the Nile, in the Years 1768, 1769, 1770, 1771, 1772, and 1773, Dublin: P.Wogan et al., Volume3, Book5, Chapter4, p.444,
 * One of the gang that used to be upon the outlook from this station, as soon as any caravan came in sight, cried out, Ribieraini, which in Tigrè signifies they are coming this way;
 * One of the gang that used to be upon the outlook from this station, as soon as any caravan came in sight, cried out, Ribieraini, which in Tigrè signifies they are coming this way;