A form, mode, or manner, of building or framing or construction; a word like مِشْيَةٌُ and رِكْبَةٌ. (T, TA.) [The form, or mode of formation, of a word.] Natural constitution: as in the phrase, فُلَانٌ صَحِيحُ البِنْيَةِ [Such a one is sound in natural constitution]. (S.)