To take part in an activity; to participate.
To take a share or portion (of or in).
To cower or flinch.
To cause to become smaller.
To withdraw or retire, as from danger.
To move back or away, especially because of fear or disgust.
To draw back; to withdraw.
To become smaller; to contract.
A psychiatrist or psychotherapist.
Shrinkage; contraction; recoil.
Loss of inventory, for example due to shoplifting or not selling items before their expiration date.