having cornice (similar to thiṇṇai that we see in traditional houses) made with crystals which have radiance similar to lightning —

 in the choultries —

isn’t he the radiant periya perumāl̤ himself —

ī will engage with madal from beautiful, firm and splendorous palm leaf which has been taken from a well sprouted, high grown pam tree. —

 one who has a luminous form revealing knowledge —

ŏh clouds which are having increased beauty due to the presence of lightning which is shining! —

 great shine —

 having great radiance —

churning that manthara mountain (churning the ocean) such that the radiant moon, sun, sky and other lustrous entities spun around with him —

glowing radiance —

very radiant —

(due to the union with mahālakshmi) having radiant splendour —

rising and radiant —

beautifully radiant bosom (since it was full of milk) —

radiant lamp —

that which shines the flame (of knowledge etc) —

acquiring shine (as a result of that) —

 like a fresh flower —

the radiant rusks —

 made of radiant gems —