Related Clues:

• Ruler unit
• Span fraction
• Apothecary's weight
• Foot part
• Mark of a ruler
• Move slowly
• Rainfall measurement
• Measure
• Move cautiously
• Small amount of liquor
• Lumber thickness, maybe
• Go very slowly
• Tiny amount of progress
• Type of worm
• Rearranged chin that is part of a foot?