1. a lookout-place, a mountain-peak , (Homer): of the Trojan acropolis, (Euripides): compare σκόπελος.

2. metaphorically the height or highest point of anything, (Pindar)

3. a watchtower , Lat. specula, (Herdotus Historicus)

4. a look-out, watch , σκοπιὴν ἔχειν to keep watch , (Odyssey by Homer) (ML)