checkingframe
nounUK /ˈtʃɛkɪŋ freɪm/
US /ˈtʃɛkɪŋ freɪm/
A checking frame is a special frame that helps you look at something carefully to make sure it is right.
The teacher used a checking frame to see if the drawing was straight.
RELATED WORDS
OTHER MEANINGS
2. A frame used in printing to hold pages while they are checked for mistakes.
The printer placed the pages in the checking frame before proofreading.
3. A structure in a machine that holds a part steady while someone checks it.
The mechanic put the wheel in the checking frame to test its balance.
4. A frame with marks or lines used to compare sizes or shapes.
She laid the paper under the checking frame to compare the two circles.