0 the activity of picking and collecting crops, or of collecting plants, animals, or fish to eat: --
When maize cultivation was introduced it was probably the females who did the growing and harvesting of the crops.
1 the activity of taking cells or other body parts from someone for medical use: --
Large-scale harvesting of eggs from women can be medically risky.
There is a lot of controversy surrounding the harvesting of stem cells.
2 the activity of collecting large quantities of information, especially automatically: --
Online users are suspicious of cookies and the harvesting of user information.
The company has been accused of unauthorised data harvesting from social media accounts.
3 the process of continuing to make as much profit as possible from a product or business while spending as little as possible on it: --
4 the process of collecting information about people, products, companies, etc. from the internet using a search engine (= a program that searches for particular words in documents on websites): --
5 the process of collecting a natural resource to use it effectively: --