Before rehearsal, she marked the cleffs at the beginning of each staff so the singers would know their ranges.

The antique score featured a cleff at the beginning of each staff, hinting at its 18th-century origin.

The archaeologists carefully cataloged the cleftstones they found along the canyon floor.

She carefully lifted the heavy cleftstone into place, forming the first step of the garden path.

During the harsh winter, the glacier clefted a deep gorge through the valley.

The clefted rock cast a thin shadow across the path at dawn.

Microscopic examination revealed several Rathke's clefts scattered throughout the pituitary tissue.

The veterinarian treated several puppies born with cleft palates, arranging specialized feeding and surgery.

The charity provides free surgeries to children born with cleft lips.