1. The ordinal number of one hundred fifty-five in counting order
   - hundred-and-fifty-fifth

See also: ordinal

• Sylvia curruca
• Sylvia Plath
• Sylvian aqueduct
• Sylvian fissure
• Sylviidae
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• Sylvilagus aquaticus
• Sylvilagus floridanus
• Sylvilagus palustris
• sylvine
• sylvite
• Symbion pandora
• symbiont
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• symbolic
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• symbolical