WordReference Random House Unabridged Dictionary of American English © 2026
ligni-,
[esp. before a vowel,] lign-.
- a combining form meaning "wood,'' used in the formation of compound words:ligniform.
[esp. before a vowel,] lign-.
- Latin, combining form representing lignum wood
'ligni-' also found in these entries (note: many are not synonyms or translations):