1. A part lying between the ribs.

2. Lying between the ribs.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• intercostals,
• untercostal,
• jntercostal,
• intercodtal,
• intercostral,
• intecostal,
• interostal,
• intercostel,
• intercost al,
• intercetral,
• intercurral,
• intersoseal,
• infarcostal,
• inteecristal,
• intraostal,
• intercocal,
• intercostle,
• intercosteal,
• incertostal,
• intercoustal

• interject,
• intercept,
• intercalate,
• interdict,
• intercrossed,
• interstitial,
• internist,
• intersex,
• intertidal,
• interchurch,
• interpret,
• interconnect,
• intersectant,
• internalize,
• interment,
• intervertebral,
• interlock,
• interchange,
• interlard,
• interstellar,
• intercom,
• interceptor,
• intermit,
• intermural,
• interracially,
• interracial,
• intercellular,
• interposition,
• internet,
• interfacial,
• interact,
• in trouble,
• interpretable,
• interpose,
• intercede,
• interspersal,
• intersexual,
• interest,
• intercalary,
• intersect,
• interface,
• internalise,
• in theory,
• in utero,
• interior,
• interlace,
• interferon,
• interpersonal,
• interval,
• internally,
• interstate,
• interschool,
• interlineal,
• intercalation,
• Intercessor,
• intertribal,
• interfere,
• internal ear,
• intercourse,
• interrupt,
• interconnected,
• internal.

The adjective form of the word "intercostal" is "intercostal".

The plural of the "intercostal" can be the "intercostals".

The singular of the "intercostal" can be the "intercostal".