A male given name from Ancient Greek. / The Greek philosopher, 427–347 BC, follower of Socrates.

(philosophy, epistemology) An allegorical cave whose unwitting, chained inhabitants perceive reality only in the form of shadow puppetry cast by the light of a man-made fire, lacking any awareness of the limitations of their perspective or its constructed nature.

Prior to the time of Plato

Neither sexual nor romantic in nature; being or exhibiting platonic love. / Alternative letter-case form of Platonic (of or relating to the philosophical views of Plato and his successors).

(organic chemistry) Any of several polycyclic cagelike hydrocarbons whose underlying structure of carbon atoms is that of one of the Platonic solids; not all are possible, either due to excessive strain, or to valency considerations.

(geometry) Any of five convex polyhedra with congruent regular polygonal faces, which have a high degree of symmetry and have been studied since antiquity.

Intimate but non-sexual affection.

plural of Platonic month

(astronomy, astrology) One twelfth of a Great Year, corresponding to one of the zodiacal ages (roughly 2000 years).

plural of Platonic hydrocarbon