Sentence:  Immunoprecipitation then indicated that <WSD>cotranslation</WSD> resulted in stable complex formation of Kox1/TIF1B and Kox1KL/TIF1B (Fig. 18.2A, lane 4 and Fig. 18.2B, lane 11). 
Meaning of the word marked with <WSD> tags:  The process by which multiple ribosomes simultaneously translate a single mRNA molecule into multiple copies of the same protein.