1. To clump together; as of bacteria, red blood cells, etc.
2. To string together, of morphemes in an agglutinating language.
3. Join firmly; thicken; make like glue; coagulate;
4. Philology, make compound words by additions.

1. To pass through the esophagus as part of eating or drinking; SYN. get down.
2. To engulf and destroy, as if by ingestion:
3. To believe or accept without questioning or challenge
4. To take back what one has said; SYN. take back, unsay, withdraw.
5. To utter indistinctly
6. To keep from expressing