plural of Schreger line

Visual artifacts that are evident in the cross-sections of ivory.

Third-person singular simple present indicative form of get a line on

simple past tense of get a line on

present participle of get a line on

past participle of get a line on

(geography) The border between Afghanistan and Pakistan (originally the British Raj), as originally demarcated in 1893 and revised in 1919; never accepted by Afghanistan as the international border.

Third-person singular simple present indicative form of run lines

simple past tense of run lines

(acting) To practice or memorize one's lines from a script outside of rehearsal, usually with another person.