hold·back 
(hōldbăk′)
(hōldbăk′)n.
1.
a. The act of holding back.
b. Something held back.
2. A device that retains or restrains.
3. A strap or an iron catch between the shaft and the harness on a drawn wagon, allowing the horse to stop or back up.
- microgram
- micrograph
- micrographic
- microgravity
- microgreens
- microhabitat
- microinject
- microinjection
- microinstruction
- microlending
- microlith
- microlithic
- microloan
- micromachine
- micromanage
- micromanipulation
- micromanipulative
- micromanipulator
- micromere
- micrometeorite
- micrometeoroid
- micrometeorological
- micrometeorologist
- micrometeorology
- micrometer