noun

• (architecture) A strip of decoration.
• (architecture) A strip of decoration.
• (in the plural) Two strips of linen hanging from the neck in front as part of a clerical, legal, or academic dress.
• (physics) A part of the electromagnetic spectrum.

verb

• (transitive) To fasten with a band.
  "As he spake, his eyes rested on the graves below. "Yes," muttered the youth, "they are sufficient answer; they are indeed the end of all human hope." Mechanically he turned from one to another. Some were recently banded down with osiers, and the grass was varied with primrose roots; on some the foxglove grew luxuriantly, while others had a tombstone, carved with a name and a brief epitaph."
• (transitive, ornithology) To fasten an identifying band around the leg of (a bird).

noun

• (anthropology) A small group of people living in a simple society, contrasted with tribes, chiefdoms, and nations.
• (Canada) Ellipsis of band government

verb

• (intransitive) To group together for a common purpose; to confederate.
  "And when it was day, certaine of the Iewes banded together, […]"
• (transitive, education) To group (students) together by perceived ability; to stream.