adj (lat margine+rostro+al) Ornit Que forma as bordas do bico.
Vogais: aiioa
Consoantes: mrgnrrstrl
proestral, geometral, astral, palustral, transversuretral, rastral, fenestral, pubiuretral, periuretral, unicentral, estral, radioteatral, teleteatral, espectral, costocentral.