1. (v. t.) To collect or gather into a mass or aggregate; as to congest a traffic pattern\; to bring together; to accumulate.

2. (v. t.) To cause an overfullness of the blood vessels (esp. the capillaries) of an organ or part.

bar bind block block up blockade brim bung caulk charge chink chock choke choke off choke up clog clog up close compact compress concentrate condense consolidate constipate cork cover cram crowd dam dam up densen densify drench fill fill to overflowing fill up foul freight glut gluttonize gorge jam jam-pack lade load obstipate obstruct occlude overburden overcharge overfeed overfill overlade overload overstuff overweight pack pad plug plug up press ram down ram in satiate saturate soak solidify spile squeeze stanch stay stench stop stop up stopper stopple stuff stuff up supercharge supersaturate surcharge surfeit top off wad weight