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WordNet-Online 
 
Noun spheniscidae has 1 sense 
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| sphecius speciosis sphecoid sphecoid wasp sphecoidea sphecotheres sphegetti sphene sphenion spheniscidae sphenisciform seabird sphenisciformes spheniscus spheniscus demersus sphenodon sphenodon punctatum sphenoid sphenoid bone 
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