osa

Osa may refer to one of the following:Osa peninsula, a peninsula in Costa RicaOsa, Perm Krai, a town in Perm Krai, RussiaOsa, name of several rural localities in RussiaOsa class missile boat9K33 Osa (SA-8 Gecko), a Soviet surface-to-air missile launcherM79 Osa, an Eastern Bloc rocket launcherOsa (plant), a genus of plants in the Rubiaceae family
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Obstructive sleep apnea A potentially life-threatening condition characterized by episodes of breathing cessation during sleep alternating with [more]OSA - Community and Resources

v. dare, venture

v. dare, risk, attempt

n. she bear, female bear

v. venture; dare

n. bruin, brown bear; bear, large mammal of the family Ursidae