Syncopation

The act of syncopating; the contraction of a word by taking one or more letters or syllables from the middle; syncope.

The act of syncopating; a peculiar figure of rhythm, or rhythmical alteration, which consists in welding into one tone the second half of one beat with the first half of the beat which follows.

(phonology) the loss of sounds from within a word (as in ‘fo'c'sle’ for ‘forecastle’)