The noun supply has 3 senses (first 3 from tagged texts)
1. (21) supply -- (an amount of something available for use)
2. (4) supply -- (offering goods and services for sale)
3. (2) provision, supply, supplying -- (the activity of supplying or providing something)
Overview of verb supply
The verb supply has 4 senses (first 4 from tagged texts)
1. (47) supply, provide, render, furnish -- (provide or furnish with; "We provided the room with an electrical heater")
2. (8) issue, supply -- (circulate or distribute or equip with; "issue a new uniform to the children"; "supply blankets for the beds")
3. (3) provide, supply, ply, cater -- (provide what is desired or needed, especially support, food or sustenance; "The hostess provided lunch for all the guests")
4. (1) add, append, supply -- (state or say further; "`It doesn't matter,' he supplied")