To bring or come together into a united whole
They are primitively paired, but often coalesce with each other more or less completely.
The same is true of the chains that coalesce with these near Cape Maisi and diverge northwesterly along the N.
Although typically paired, the compound eyes may occasionally coalesce in the middle line into a single organ.
In the Ecaudata the radius and ulna coalesce into one bone.
Soon, however, the two elements began to coalesce; in the Seleucid Empire, the process seems generally to have been both rapid and complete.