台座 is read as だいざ (daiza) and means pedestal.
だいざ
daiza
たいふうぎんざ
the area (of Japan) where typhoons frequently pass
だいどこ
financial situation
たいとう
rise (e.g. of a movement)
だいけい
trapezium
たいちゅうかんけい
relations between Taiwan and China
だいすう
number of large objects such as cars, computers, etc.
だいどころようひん
kitchenware
だいどころじじょう
たいりゅう
influx of Taiwanese pop culture (into Japan)
だいいし
stone pedestal
たいぺいしりつとしょかん
Taipei Public Library
だいわりひょう
draft of magazine's content (a table showing the allocation of each page)