Word Study
sightseer |
sightsing |
sightsman |
sigil |
sigillaria |
sigillarid
| sigillated
| sigillative
| sigillum
| sigint
| sigla
sigillarid
CIDE DICTIONARY
sigillarid, n.
One of an extinct family of cryptagamous trees, including the genus Sigillaria and its allies. [1913 Webster]
For further exploring for "sigillarid" in Webster Dictionary Online