spile /spīl/

1. A plug
2. A spigot
3. A pile for a foundation
4. A stake, or post for fencing

1. To pierce and provide with a spile
2. To shape (the timbers of a wooden vessel or the ribs of a steel vessel) to form a gradual slope towards the bow and/or stern (nautical)

spīˈling noun

soft spile

In beer-making, a wooden peg driven into a cask to allow carbon dioxide to escape during secondary fermentation

• keep one's ear to the ground
• keep oneself to oneself
• keep one's end up
• keep one's eye in
• keep one's eye on
• keep one's eyes peeled
• keep one's eyes skinned
• keep one's finger on the pulse
• keep one's fingers crossed
• keep one's hair on
• keep one's hand in
• keep one's head
• keep one's head above water
• keep one's head down
• keep one's mind on
• keep one's mouth shut
• keep one's nose clean
• keep one's options open
• keep one's powder dry
• keep one's shirt on
• keep one's thumb on
• keep one's weather eye open
• keep one's wits about one
• keep one's wool on
• keep one's word