ridged

1. 1
   adjective

   Having a surface marked with ridges, the long, narrow raised strips that run along it.

   The ridged soles of the boots grip well on wet rocks.

   Old oak trees have deeply ridged bark.

   Similarribbed, grooved, furrowed, corrugated

   Oppositesmooth

   Note

   An adjective made by adding -ed to a noun, the way bearded and walled are, so it describes a surface that has ridges, not one that was shaped into them, which is the verb's past form. Middle English wrote it rigged or ryggyd. It is gradable: bark can be deeply ridged, one shell more ridged than another.

2. 2
   verb

   Simple past and past participle of ridge.

   Low hills ridged across the horizon to the east.

   The garden beds were ridged by hand so that rainwater would drain between them.

   Note

   The verb works two ways, and the past form shows both. With an object it means shaped into ridges, as when a gardener ridged the beds or the beds were ridged by hand; without one it describes land that runs in ridges, as when low hills ridged across the horizon. Only the first can turn passive.

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