Correct spelling for the English word "drescher" is [dɹˈɛʃə], [dɹˈɛʃə], [d_ɹ_ˈɛ_ʃ_ə] (IPA phonetic alphabet).
I apologize, but "drescher" does not have a widely recognized or common dictionary definition. It appears to be an uncommon or potentially uncommon term that may not have an established definition. It is important to note that if "drescher" is a proper noun or a term specific to a certain context, its meaning might be restricted to that particular domain. Without additional information or context, it is challenging to provide a 200-word definition for a term with limited recognition.
The etymology of the German word "Drescher" can be traced back to the Middle High German term "trescher" or "dreschen", which means "to thresh". Threshing refers to the process of separating grains or seeds from crops by beating or striking them. Over time, "trescher" evolved into "drescher" in modern German, maintaining its association with the agricultural practice of threshing. In English, a similar term, "thresh", is used to describe the same action.