Susan B. Anthony Day
noun
Su·san B. An·tho·ny Day ˈsü-zᵊn-ˌbē-ˈan(t)-thə-nē- 
: February 15 observed to commemorate the birth of Susan B. Anthony
Word History
First Known Use
circa 1951, in the meaning defined above
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- spheno-occipital suture
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- sphenoparietal index