1. flat paper containers used for mailing letters
Usage: plural of envelope
2. things that completely surround or cover something
Usage: plural of envelope

1. surrounds or covers completely
Usage: third person singular present of envelope

Examples

• She bought a box of white envelopes for the wedding invitations.
• The secretary sealed all the envelopes before mailing them.
• Fog envelopes the mountain peaks every morning.
• The darkness envelopes the forest at nightfall.
• Please address these envelopes with the return labels.
• A warm feeling envelopes her when she sees her family.
• The storm envelopes the entire coastline.