b) KEY NOUN:
TRANSITIVE VERB: ribbed
- One of a series of long curved bones occurring in 12 pairs in humans and extending from the spine to or toward the sternum.
- A similar bone in most vertebrates.
- A part or piece similar to a rib and serving to shape or support: the rib of an umbrella.
- A cut of meat enclosing one or more rib bones.
- Nautical One of many curved members attached to a boat or ship's keel and extending upward and outward to form the framework of the hull.
- One of many transverse pieces that provide an airplane wing with shape and strength.
- Architecture A long, narrow, usually arched member projecting from the surface of a structure, especially such a member separating the webs of a vault.
- A raised ridge or wale in knitted material or in cloth.
- Botany The main vein or any of the prominent veins of a leaf or other plant organ.
- Slang A teasing remark or action; a joke.
- To shape, support, or provide with a rib or ribs.
- To make with ridges or raised markings.
- Informal To tease or make fun of. See Synonyms at banter.
Middle English, from Old English ribb