1. Plural of chili; hot peppers of the genus Capsicum, typically red or green, used as a spice or vegetable.
Usage: Also spelled 'chilies' (more common in American English); Refers to both the fresh peppers and dried peppers
2. Plural of chili; a spicy stew or dish made with meat, beans, and chili peppers.
Usage: Common in Tex-Mex and American cuisine

Examples

• She added fresh chilis to the salsa.
• The recipe calls for three dried chilis.
• He made a big pot of chilis for the party.
• These chilis are much spicier than the ones I bought last week.
• The market sells both red and green chilis.
• She won first place in the chilis cooking competition.