Odia
Old name for Ayutthaya.
Okaya Uthaitham
Keeper of the royal apparel - appears in the Civil Hierarchy Law with a Phra rank and sakdina of 5000.
Okluang Chularachamontri
Appears in the Civil Hierarchy Law with a Phra rank and sakdina of 1400. (AC)
Ong rakhang
(Th.)
Literally bell-shaped dome, developed from the anda of the Ancient Indian stupa. (See Anda)

Ref: An outline of the History of Religious Architecture in Thailand - Sonthiwan Intralib (1991).
   
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