(botany) Any plant that does not have a vascular system

(idiomatic, almost always preceded by the, informal) The essential element (needed to reach the principal goal or objective); the overall purpose.

Alternative spelling of night glass

A spyglass or binoculars with large diameter lenses, used to see objects better in the dark.

(Britain) A sexist young man who embraces traditional male attitudes.

(Britain) Having the characteristics of a new lad.

(informal, idiomatic) Despite the addressee's belief that the speaker was unaware of something, the speaker, in fact, was already aware.

(chemistry) A chemical reaction named after its discoverers.

Alternative spelling of nutgrass

(engineering) A closed nut having a dome-like cap over the back, protruding part of the engaged screw or bolt.