five things or five places (see Molina)
macuillamantli. cinco cosas, partes, o partes [sic]. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 51r. col. 2. Thanks to Joe Campbell for providing the transcription.
Macuilli + tlamantli (five + things).