Nestle/ˈnesl/ Definition 1 of 2Pro Tip 1/3Emotional warmth Used to express a feeling of comfort, affection or coziness. After a long day, she nestled into the armchair with her favorite book. Pro Tip 2/3Physical closeness Implies being in close contact, especially in a comfortable or affectionate manner. The baby birds nestled together for warmth. Pro Tip 3/3Protection sought Suggests seeking safety or comfort by getting close to someone or something. The child nestled against her mother during the fireworks.