jacket (piece of clothing worn on the upper body outside a shirt or blouse) / jacket (part of a man's suit) / jacket (protective cover for an object)

protection against the wind; a windbreak / various medicinal plants in the Apiaceae / Umbelliferae family, especially Saposhnikovia divaricata

optimal, most appropriate, best suited

the best, the optimum

cold

cold, chilly / (by extension) poor, poverty-stricken / midwinter, cold season

cold, coldness / midwinter, cold season

cold (ambient temperature, as a winter day is cold) / (figuratively) fearful / (of a joke) terrible; not funny

coldness / chill

a shelterbelt