ar·tic·u·la·tion 
(är-tĭk′yə-lāshən)
(är-tĭk′yə-lāshən)n.
1. The act of vocal expression; utterance or enunciation: an articulation of the group's sentiments.
2.
a. The act or manner of producing a speech sound.
b. A speech sound, especially a consonant.
3.
a. A jointing together or being jointed together.
b. The method or manner of jointing.
4. Anatomy
a. A fixed or movable joint between bones.
b. A movable joint between inflexible parts of the body of an animal, as the divisions of an appendage in arthropods.
5. Botany
a. A joint between two separable parts, as a leaf and a stem.
b. A node or a space on a stem between two nodes.
6. The conversion of a student's credits at one school to credits at another school by comparing the curricula.
ar·ticu·la·to′ry (-lə-tôrē), ar·ticu·la′tive (-lātĭv, -lə-tĭv) adj.