The word "Ricture" is not a commonly used word in English. However, if we break down the spelling using the International Phonetic Alphabet (IPA), we can see that it is pronounced as /ˈrɪktʃər/. This means that it is a two-syllable word with the stress on the first syllable. The "r" sound is pronounced as a voiced alveolar trill, while the "i" sound is a short vowel sound. The "c" is pronounced as /tʃ/, which is the "ch" sound, and the final syllable is pronounced as /ər/.
"Ricture" is not a recognized word in standard English and does not appear in reputable dictionaries. It is possible that the term you are looking for might be misspelled, or it could be a specialized term from a specific field or jargon. Without further details or context, it is difficult to provide an accurate definition. If you have any additional information about the term, it may be helpful in understanding its meaning and providing an appropriate definition based on that context.
Alternatively, if "ricture" is a neologism or an obscure term, it may not have an established definition. In such cases, the meaning of the word would be subjective or limited to a specific group or individual who uses it.
If you can provide more information about the origin, context, or usage of the word "ricture," it would be easier to give a meaningful definition. Additionally, checking with subject-specific dictionaries or glossaries related to your field of interest might yield a more precise explanation if "ricture" is a term commonly used within a specific domain.