a. 有肋骨的, 有棱纹的

Rib \Rib\, v. t. [imp. & p. p. {Ribbed}; p. pr. & vb. n.
{Ribbing}.]
1. To furnish with ribs; to form with rising lines and
channels; as, to rib cloth.

2. To inclose, as with ribs, and protect; to shut in.

It [lead] were too gross
To rib her cerecloth in the obscure grave. --Shak.

{To rib land}, to leave strips of undisturbed ground between
the furrows in plowing.


Ribbed \Ribbed\, a.
1. Furnished or formed with ribs; as, a ribbed cylinder;
ribbed cloth.

2. (Mining) Intercalated with slate; -- said of a seam of
coal. --Raymond.