trigonum
Could not find trigona in Logeion dictionaries.
trigona Noun: neuter accusative plural, Noun: neuter nominative plural, Noun: neuter vocative plural of trigonum
trigona Adjective: feminine ablative singular, Adjective: feminine nominative singular, Adjective: neuter nominative plural, Adjective: feminine vocative singular, Adjective: neuter vocative plural, Adjective: neuter accusative plural of trigonus
trĭgōnum, ī, n. , triangle : Varro L. 7, 95 ; Gell. 2, 21, 10 ; Col. Rust. 5, 10, 13.
Trigōnum
(τρίγωνον). (1) A triangular piece of marble or tiling used in laying a mosaic pavement. (See pavimentum.)
(2) A musical instrument, triangular in shape.