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ostracod
ostracoderm
Ostrava
ostrich
Ostrogoth
Ostyak
Oswego
Oswego tea
Oswestry
Oswiecim
OT
ot-
Otago
Otago Peninsula
Otaheite apple
Otaheite orange
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ostiole
os·ti·ole [ óstee l ] (plural os·ti·oles)


noun 
Definition:
 
pore in algae or fungi: a small pore or opening in some algae or fungi, through which reproductive spores pass
[Mid-19th century. < Latin ostiolum "little door" < ostium "opening"]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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