silurian Noun, n, silurian Silurian Appox. usage (any sense): 0.042 per million words Appox. usage (any sense): 0.042 per million words
silurian Adjective, silurian definition not found for this word Appox. usage (any sense): 0.093 per million words Appox. usage (any sense): 0.093 per million words