Hexactinellid
Hex*ac`ti*nel"lid\, a. (Zo["o]l.) Having six-rayed spicules; belonging to the Hexactinellin[ae].| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a chattering or flighty, light-headed person. |
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.