cushion : Idioms & Phrases

• noun the trapped air that supports a hovercraft a short distance above the water or ground
  
• noun a mechanical device using confined air to absorb the shock of motion
  air spring.
  
• noun a cushion usually made of rubber or plastic that can be inflated
  air cushion.
  

WordNet

• an air-tight cushion which can be inflated; also, a device for arresting motion without shock by confined air.

Webster 1913

• a cushion laid upon the altar in a Christian church to support the service book.

Webster 1913

• noun aromatic herb having heads of small pink or whitish flowers; widely distributed in United States, Europe and Asia
  Satureja vulgaris; wild basil; Clinopodium vulgare.
  

WordNet

• .(Arch.) A capital so sculptured as to appear like a cushion pressed down by the weight of its entablature. (b) A name given to a form of capital, much used in the Romanesque style, modeled like a bowl, the upper part of which is cut away on four sides, leaving vertical faces.

Webster 1913

• noun tall straggling shrub with large globose crimson-yellow flowers; western Australia
  Hakea laurina; pincushion hakea.
  

WordNet

• (Zoöl.) a pentagonal starfish belonging to Goniaster, Astrogonium, and other allied genera; so called from its form.

Webster 1913

• a dead-stroke hammer. See under Dead-stroke.

Webster 1913

• noun a cushion usually made of rubber or plastic that can be inflated
  air cushion.
  

WordNet

• a temporary seat made by two persons crossing their hands. Prov. Eng. Halliwell.

Webster 1913

La"dy's cush"ion

Definitions

1. (Bot.) An herb growing in dense tufts; the thrift (Armeria vulgaris).

Webster 1913

• noun a cushion that makes a seat more comfortable
  

WordNet