1) Addenda 2) Adds to 3) Adjuncts 4) Ekes 5) Ekes out 6) Enlarges 
In nematodes: Preanal genital papillae on the ventral side of males; derived from cuticle, but may be provided with glands. Function during copulation. Sometimes called supplementary organs. 
A substance that can be added to make food or drink better.