cov·e·nan·tor 
(kŭvə-năn′tər, -nən-, kŭv′ə-năn-tôr)
(kŭvə-năn′tər, -nən-, kŭv′ə-năn-tôr)n.
The party by whom the promise in a covenant is to be carried out.
- optical fiber
- optical illusion
- optical isomer
- optically
- optically active
- optical maser
- optical phonon
- optical resonator
- optical scanner
- optical tweezers
- optic axis
- optic chiasma
- optic cup
- optic disk
- optician
- optic lobe
- optic nerve
- optics
- optic vesicle
- optima
- optimal
- optimally
- optimism
- optimist
- optimistic