Having cracks and crevices

• Full of fissures
• Full of chinks
• Cracked

WordNet Word definitions in WordNet
adj. having a surface covered with a network of cracks and small crevices; "a tree with rimose bark"

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Rimose \Ri*mose"\, a. [L. rimosus, fr. rima a chink: cf. F. rimeux.] Full of rimes, fissures, or chinks. (Nat. Hist.) Having long and nearly parallel clefts or chinks, like those in the bark of trees.

Wikipedia Word definitions in Wikipedia
Rimose is an adjective used to describe a surface that is cracked or fissured. The term is often used in describing crustose lichens . A rimose surface of a lichen is sometimes contrasted to the surface being areolate . Areolate is an extreme form of being ...

Wiktionary Word definitions in Wiktionary
a. Having a surface covered with cracks, fissures, or crevices.