1 entry 1 source
Periderm
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
1. The outer layer of bark.
2. The hard outer covering of hydroids and other marine animals; the perisarc.
1 entry 1 source
Part of speech: noun (n.)
1. The outer layer of bark.
2. The hard outer covering of hydroids and other marine animals; the perisarc.