Definition of "pleon" [pleon]

• In botany, a term proposed by Nägeli for those aggregates of molecules which cannot be increased or diminished in size without changing their chemical nature, as distinguished from micellæ, or aggregates that can be so increased or diminished. See micella. (noun)
• In Crustacea, the abdomen: distinguished from cephalon (head) and pereion (thorax). (noun)
• The tail-spine or telson of some crustaceans, as the king-crab: so named by Owen, on the supposition that it represents the abdomen: correlated with thoracetron and cephaletron. (noun)

The Century Dictionary (Public Domain)

• "Ton theon de eupoiia — to mae epi pleon me procophai en poiaetikn kai allois epitaeoeimasi en ois isos a kateschethaen, ei aesthomaen emautan euodos proionta."
• "Lk. 13: 2 hamartoloi para pantas tous Galilaious, 3: 13 meden pleon para to diatetagmenon humin prassete, and after verbs in -"
• "In the Anthology there occurs this couplet: [10] {Pan to peritton axaipon epei logos esti palaios os xai tou melitos to pleon esti khole}"