The Pali Text Society's Pali-English dictionary
Lāja，& Lājā （f．） [cp．Vedic lāja：Zimmer，Altind．Leben 269] 1．fried grain，parched corn：occurring only in combn madhu-lāja fried grain with honey，sweet corn J．III，538； IV，214，281．-- 2．the flower of Dalbergia arborea，used for scattering in bunches （with other flowers making 5 kinds or colours） as a sign of welcome & greeting，usually in phrase lāja-pañcamāni pupphāni （“a cluster of flowers with lāja as the fifth”） DhA．I，112； VvA．31； J．I，55 （°pañcamakāni p．）； cp．J．II，240 （vippakiṇṇa-lāja-kusuma-maṇḍita-talā）； VI，42 （vippakiṇṇa-lāja-kusuma-vāsa-dhūp’andhakāra）； DhA．I，140 （vippakiṇṇa-valikaṃ pañcavaṇṇa-kusuma-lāja-puṇṇaghaṭa-paṭimaṇḍita）．（Page 582）
Concise Pali-English Dictionary by A.P. Buddhadatta Mahathera
(m.)
parched corn.