ostroga
1. ostroga
tubular extension at the base of the corolla in some flowers [cevasti izrastek na dnu cvetne kronice nekaterih cvetov]
2. ostroga
a sharp prod fixed to a rider's heel and used to urge a horse onward [ostra žabica, pritrjena v peto jahača in uporabljena za spodbujanje konja naprej]
3. ostroga
a sharp metal spike or spur that is fastened to the leg of a gamecock [ostra kovinska kremplja ali pika, ki ju pritrdijo na nogo borca]