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Mar 26, 2002

This week's theme
Words that seem unreal

This week's words
ha-ha
aa
thank-you-ma'am
la-di-da
papilionaceous

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aa

noun: Lava having a rough surface.

[From Hawaiian ʻaʻā (to burn). Earliest documented use: 1859.]

"Aa has a surface that's broken into blocks with sharp, spiny projections."
Ian Skilling; Lavas and Life; The World & I (Washington, DC); Jul 1998.

X-Bonus