From The Collaborative International Dictionary of English v.0.48:
merge \merge\ (m[~e]rj), v. t. [imp. & p. p. Merged
(m[~e]rjd); p. pr. & vb. n. Merging (m[~e]r"j[i^]ng).] [L.
mergere, mersum. Cf. Emerge, Immerse, Marrow.]
To cause to be swallowed up; to immerse; to sink; to absorb.
[1913 Webster]
To merge all natural . . . sentiment in inordinate
vanity. --Burke.
[1913 Webster]
Whig and Tory were merged and swallowed up in the
transcendent duties of patriots. --De Quincey.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
merging \merging\ adj.
1. combining or mixing.
Syn: blending, mingling.
[WordNet 1.5]
2. flowing together. [prenominal]
Syn: confluent.
[WordNet 1.5 +PJC]
From The Collaborative International Dictionary of English v.0.48:
merging \merging\ n.
1. The act or process of joining together into one entity.
Syn: meeting, coming together.
[WordNet 1.5]
2. a flowing together (as of rivers).
Syn: confluence, conflux.
[WordNet 1.5]