1.
extra-large; oversized; jumbo
Describes something exceptionally large in size, used for products, portions, and items that exceed the standard large size.
Functions as a pre-noun modifier: 特大サイズ (extra-large size), 特大ニュース (big news), 特大ホームラン (towering home run). Often used in product descriptions and restaurant menus. The prefix 特~ means "special" and appears in many compounds: 特急 (express train), 特売 (special sale). Related: 大型 (large-sized — a standard descriptor), 超大型 (super-large).