simple past tense and past participle of smoke
"The fish was smoked over a low fire to preserve it."
In plain English: To smoke something means to cook it by heating it with fire and letting the burning wood give off flavor into the food.
"We smoked two cigarettes while waiting for the bus to arrive."
(used especially of meats and fish) dried and cured by hanging in wood smoke
"The hickory-smoked salmon was prepared by drying and curing the fresh fish while it hung in a chamber filled with aromatic wood smoke."
Of food, preserved by treatment with smoke.
"The campfire left a delicious aroma of smoked salmon wafting through the air."
In plain English: Smoked means something has been cooked by holding it near smoke for flavor and preservation.
"He ate some smoked salmon for breakfast."
Usage: Use this adjective to describe foods like bacon or salmon that have been cured and flavored through exposure to wood smoke. It specifically refers to the preservation method rather than simply being cooked over an open flame.
The word "smoked" comes from Middle English and is simply the past tense of "smoke." It entered English directly from that earlier form without a significant shift in its original meaning.