noun
double doors; double-opening from the centre
Describes doors, windows, or lids that open from the centre outward in two leaves, like French doors or casement windows. Can be used as a noun or with の to modify another noun.
この冷蔵庫は観音開きのドアがついている。
This refrigerator has double doors that open from the centre.
観音開きの窓を開け
I opened the casement windows to let the breeze through.
noun
butterfly fillet; centre-cut filleting
Culinary term for filleting fish or chicken by cutting along the centre and opening the two halves flat, resembling double doors. Used in recipes and cooking instructions.
魚を観音開きにしてから塩をふる。
Butterfly-fillet the fish, then sprinkle with salt.
鶏むね肉を観音開きにして薄くのばす。
Butterfly the chicken breast and pound it thin.