Definition of stop list in English English dictionary
A list of people who subscribe to a publication (e.g., newspaper) and no longer wish to receive it
A list of words or other data items which, for some special reason, should be ignored or bypassed by a particular data processing operation
If you equip your search engine with a stop list containing a few common words such as a, the, and and, you can decrease the full-text index size by about 20%.