spiraster

noun
spi·ras·ter | \ (ˈ)spī¦rastə(r) \
plural -s

Definition of spiraster 

: a spiral sponge spicule of one or more turns produced on the outside into several spines

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History and Etymology for spiraster

New Latin, from spir- + -aster

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Dictionary Entries near spiraster

spirantism

spirantization

spirantize

spiraster

spiration

spire

spirea

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to deposit or conceal in a hiding place

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