An island on the Atlantic coast of Canada, part of the province of Nova Scotia.

(idiomatic) Old; aged.

Alternative spelling of icebreaker

(idiomatic) To sign one's name on a list when entering a place, to indicate one's arrival. / (computing) To take some action to access a secured program or web page on a computer; to log in.

(medicine) Protective resistance against disease. / (law) An exemption from specified duties, such as payments or services. / (law) An exemption from prosecution. / (religion) An exemption from penance.

To rely on a single source (as of income), rather than diversifying.

(idiomatic) Explicitly, in writing, clearly and without doubt or misunderstanding, without any grey areas. / (literally) Using shades of gray rather than color.

(idiomatic) To act against one's own interests; to unintentionally behave self-destructively.

A particular allotrope of iron.

(idiomatic, intransitive) To be crazy or eccentric.