bolus /bōˈləs/

1. A rounded mass
2. A large pill
3. A drug dose injected quickly into a blood vessel

• ostraka
• ostrakon
• Ostrea
• ostreaceous
• ostreger
• ostreiculture
• ostreicultures
• ostreiculturist
• ostreiculturists
• ostreophage
• ostreophages
• ostreophagies
• ostreophagous
• ostreophagy
• ostrich
• ostriches
• ostrichism
• ostrichisms
• ostrich-like
• Ostrogoth
• Ostrogothic
• Ostyak
• OT
• otaku
• otalgia