Flowing together; meeting and joining at a point; blending or merging together.
From Latin confluens, present participle of confluere (to flow together), from con- + fluere (to flow). Used in anatomy and geography to describe things that merge.
In medicine, a confluent rash is one where individual spots run together into a solid mass of color—it's the difference between chickenpox (separate spots) and measles (everything blends).
Complete word intelligence in one call. Free tier — 50 lookups/day.