al·tar·piece 
(ôltər-pēs′)
(ôltər-pēs′)n.
A piece of artwork, such as a painting or carving, that is placed above and behind an altar.
- sleekness
- sleep
- sleep apnea
- sleep around
- sleeper
- sleepily
- sleep in
- sleep-in
- sleepiness
- sleeping bag
- sleeping car
- sleeping pill
- sleeping porch
- sleeping sickness
- sleep-learning
- sleepless
- sleeplessly
- sleeplessness
- sleep like a log
- sleep like a log/rock
- sleep like a rock
- sleep on
- sleep out
- sleep over
- sleepover