4.
watch, observance, observation, lookout, surveillance, vigilance; regard, notice, survey.
5. hole, perforation, foramen; aperture, peep, peephole; buttonhole, eyelet, loop.
6. center, middle, midst, thick; hub, heart, kernel, core.
7. see eye to eye agree, concur, coincide, stand with; accord, harmonize, jibe with, chime in with, be in unison.
-v. 8. view, see, behold, catch sight of, look at, Inf. lay eyes on, Inf. eyeball, SI. lamp; watch, keep in view, keep an eye on; observe, look on, survey, scan; scrutinize, inspect, pour over, peer at; stare at, goggle, gawk at, ogle, make eyes at, give [s.o.] the eye, leer at. eye doctor, n. ophthalmologist, oculist, optometrist,
eyesight, n. sight, vision, perception, discernment; range of vision, gaze, glance, view; observation, contemplation, regard, survey; inspection, scrutiny,
eyesore, n. defacement, disfigurement, deformity, impairment, mar, scar; defect, blemish, blot, blight, contamination, pollution, ugliness; offense, atrocity,
eyewitness, n. testifier, witness; observer, onlooker, bystander; spectator, watcher, viewer, beholder, gazer, gaper, gawker; passer-by, looker-on.