寒

Medicine

non-allergic (vasomotor) rhinitis brought about by a sudden change in temperature

the three friends of winter (pine, bamboo and plum)

keeping the head cool and feet warm

someone who feels the cold; someone sensitive to cold

winter greeting card; inquiring after someone's health in the cold season

Proverb

silence is golden

polar front jet stream

the coldest season (weather)

nutrient agar

first verse of a nursery rhyme sung by children on cold days (similar to "It's Raining, It's Pouring")

beginning of midwinter

Meteorology

polar air mass

Var. form of 乾布摩擦; considered incorrect

rubdown with a dry towel

subarctic climate

'taru' adjective

it (the weather) being piercing (bitterly) cold

Algerian iris (Iris unguicularis); Iris stylosa; winter iris

polar front

Meteorology

cold anticyclone

bitter cold and fierce heat

From Mencius

bursts of exertion will fail to bear fruit if interrupted by long periods of idleness

strenuous efforts, unless sustained, are to no avail

alternating chills and fever

psychrophyte

cold desert; arctic desert; fell-field

Idiomatic expression

something that looks difficult but actually isn't; swimming in a cold lake during mid-winter seems difficult, but it's nothing to a kappa