IPA: /ˈwʊlən/
KK: /ˈwʊlən/
Made from the soft, thick hair of sheep or similar animals, often used for clothing and blankets.
She wore a warm woollen sweater during the cold winter days.
Woollen → The word originates from Old English 'wull' (meaning wool) combined with the suffix '-en' (meaning made of or pertaining to). Thus, 'woollen' refers to something made of wool.
Think of 'wool' as the material and '-en' indicating that something is made from it — that's why woollen means made of wool.