American Heritage Dictionary
(2)
Century Dictionary
(7)
GNU Webster's 1913
(1)
WordNet
(1)
Elsewhere on the web
I think the tiara is a great knitting gadget to get you in the mood of Knitting Queen.— The Knitting Doctor
The paper block kit has 'great gift' written all over it (and yes, the tiara is a little frou-frou-ish, but that's what a tiara is, so deal with it).— Better Living Through Design
This tiara is among the more baroque of [Shirara's] efforts, kissed in gold and strung with a very long white satin ribbon.— Better Living Through Design
The top of the building will look like a tiara, a fitting crown sitting atop the Queen City.— Cincinnati Local News Headlines | WCPO.com

American Heritage Dictionary (1)
Century Dictionary (1)
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You can expect to see this word about once a month.