ANGLE
ADJECTIVES
1570 — HEAD-ANGLES vertical or opposite angles → obs.
1571 — ACUTIANGLE acute-angled → obs.
1680 — OBLIQUANGULOUS oblique-angled → obs.
1732 — ACUTANGULAR having acute angles → obs.
1970 — ACE-DEUCE at an angle → sl.
ADVERBS
1852 — QUARTERING at an angle, diagonally → Amer. dial.
1948 — ACE-DEUCE on an angle, with one side higher than the other → US sl.
NOUNS
1948 — QUOIN an angle, or angular object → US sl.
Lexicophilia 