[f. TIER sb.1 or v.1 + -ER1.] a. Naut. One who stows the cable in the tier: see TIER sb.1 2 b. b. One who arranges anything in tiers.

1

1825.  H. B. Gascoigne, Nav. Fame, 48. Hard work the Tierers in the Tier below, The sturdy Cable in true coils to Stow.

2

1891.  Cent. Dict., Tierer.

3