The Collaborative International Dictionary
Geason
Geason \Gea"son\, a. [OE. gesen, geson, rare, scanty, AS. g?sne
barren, wanting. Cf. Geest.]
Rare; wonderful. [Obs.]
--Spenser.
Wiktionary
geason
a. (context rare or dialectal English) rare; uncommon; scarce.