coherenta.[L. cohaerens, p. pr. See Cohere.]1. Sticking together; cleaving; as the parts of bodies; solid or fluid.(Arbuthnot.)2. Composed of mutually dependent parts; making a logical whole; consistent; as, a coherent plan, argument, or discourse.()3. Logically consistent; -- applied to persons; as, a coherent thinker.(Watts.)4. Suitable or suited; adapted; accordant.()Instruct my daughter how she shall persever,
That time and place, with this deceit so lawful,
May prove coherent. (Shak.)5. (Physics, Optics) Of or pertaining to electromagnetic waves that have a constant phase relationship with each other; having identical phase at all points; as, the coherent light produced by a laser.()