This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A person who works in space.

n. An object inserted to hold a space open in a row of items, e.g. beads or printed type.

n. A bushing.

n. A forgetful person.

n. A type of add-on device used by an asthmatic person to increase the effectiveness of a metered-dose inhaler.

n. A device used in cable telegraphy for reversing the current at proper intervals, thus increasing the speed of transmission: also used for a somewhat similar purpose on land-lines.

n. In a typewriter, a key, and the mechanism connected with it, by which spaces are made between words.

n. In a type-setting machine, a device for spacing words.

n. Anything by which a space or interval is made.

"The first twenty-one pills have a combination of synthetic estrogen and progestin hormones; the last seven pills have no hormones and are called spacer pills, sugar pills, or inactive pills."

Pacer    acer    baser    bracer    chaser    eraser    facer    lacer    pacer    placer   

washer    clamp    flange    clevis    gasket    forend    insert    absorber