= Cyril, Synagoge beta2, Photius beta13 The headword (listed in the supplement to LSJ), presumably from the Latin vagârî ('to wander'), is the present indicative active third person singular form, evidently quoted from somewhere. For the infinitive see ps.[?]-Mauricius, Strategicon 1.6.3; for the present participle Constantine Porphyrogenitus, De administrando imperio 51.61.
The glossing verb is even rarer; it occurs only in lexicography and astronomical texts (with the meaning 'act like a planet').