Sentence:  <WSD>Bipennate</WSD> muscles have a central tendon with oblique insertion fibers on both sides, eg, the rectus femoris (Figure 1.3c). 
Meaning of the word marked with <WSD> tags:  Of, pertaining to, or having the nature of a muscle, the fibres of which attach to a tendon on two sides (as a feather barbed on both sides).