"Grocery delivery" refers to a service where you can order groceries online or through an app and have them delivered to your doorstep instead of going to the store to shop for them yourself. Full definition
The researchers relied on models for estimating truck data that were previously used in comparing the environmental footprint of grocery delivery services to personal shopping trips. (sciencedaily.com)
Yet he admits that online grocery delivery is getting more competitive. (businessinsider.my)
Over the years, various iterations of grocery delivery have been tried and largely failed, overall. (effectivecoverage.com)