tier: Meaning and Definition of

tier

1. one of a series of rows or ranks rising one behind or above another, as of seats in an amphitheater, boxes in a theater, guns in a man-of-war, or oars in an ancient galley.
2. one of a number of galleries, as in a theater.
3. a layer; level; stratum: The wedding cake had six tiers. All three tiers of the firm's management now report to one director.
4. a mountain range.

1. to arrange in tiers.

1. to rise in tiers.

ti•er

1. a person or thing that ties.
2. a short rope or band for securing a furled sail.
3. a child's apron or pinafore.