1.
chewy; firm; having a good bite; al dente
Describes noodles, mochi, or other starchy foods that have a pleasantly firm, springy texture — not soft or mushy. A desirable quality in Japanese noodle culture.
Usage
腰 here refers to the "body" or "backbone" of the noodle — its resilience and springiness. The opposite is 腰がない (soft, lacking firmness). Variations include 腰が強い (very firm) and 腰のある麺 (firm noodles, using the attributive form).
Common collocations
Cultural note
Firmness (腰) is considered a key quality indicator for udon and soba. 讃岐うどん from Kagawa Prefecture is famous for its strong 腰. The concept is similar to Italian "al dente" for pasta.