An optical illusion whereby a horizontal bar looks wider when farther up a picture of railroad tracks than when lower.

(obsolete) Trapping or entangling someone or something in a noose, snaring; hanging. / A snare; a trap. / The process of pulling away an inverted eyelash by passing a loop of thread behind it.

An optical illusion consisting of a stylized arrow whose midpoint appears to be closer to the tail end.

To ensnare or entrap; to entangle; to catch.

(psychology) The illusion of proprioception that one's nose is growing longer.

plural of illaqueation

(obsolete, nonce word) Capable of being ensnared or entrapped.

Incapable of lapse or error.

(obsolete) Incapable of failing or erring; infallible.

plural of illapse