Triangular compasses
Triangular Tri*an"gu*lar, a. [L. triangularis: cf. F. triangulaire.] 1. Having three angles; having the form of a triangle. [1913 Webster]

2. (Bot.) Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf, or stem. [1913 Webster]

{Triangular compasses}, compasses with three legs for taking off the angular points of a triangle, or any three points at the same time.

{Triangular crab} (Zo["o]l.), any maioid crab; -- so called because the carapace is usually triangular.

{Triangular numbers} (Math.), the series of numbers formed by the successive sums of the terms of an arithmetical progression, of which the first term and the common difference are 1. See {Figurate numbers}, under {Figurate}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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• Triangular — Tri*an gu*lar, a. [L. triangularis: cf. F. triangulaire.] 1. Having three angles; having the form of a triangle. [1913 Webster] 2. (Bot.) Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf, or stem. [1913 Webster]… …   The Collaborative International Dictionary of English

• Triangular crab — Triangular Tri*an gu*lar, a. [L. triangularis: cf. F. triangulaire.] 1. Having three angles; having the form of a triangle. [1913 Webster] 2. (Bot.) Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf, or stem. [1913 …   The Collaborative International Dictionary of English

• Triangular numbers — Triangular Tri*an gu*lar, a. [L. triangularis: cf. F. triangulaire.] 1. Having three angles; having the form of a triangle. [1913 Webster] 2. (Bot.) Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf, or stem. [1913 …   The Collaborative International Dictionary of English

• Triangular — Compasses Com pass*es, n., pl. An instrument for describing circles, measuring figures, etc., consisting of two, or (rarely) more, pointed branches, or legs, usually joined at the top by a rivet on which they move. [1913 Webster] Note: The… …   The Collaborative International Dictionary of English

• Compasses — Com pass*es, n., pl. An instrument for describing circles, measuring figures, etc., consisting of two, or (rarely) more, pointed branches, or legs, usually joined at the top by a rivet on which they move. [1913 Webster] Note: The compasses for… …   The Collaborative International Dictionary of English

• compasses — Com pass*es, n., pl. An instrument for describing circles, measuring figures, etc., consisting of two, or (rarely) more, pointed branches, or legs, usually joined at the top by a rivet on which they move. [1913 Webster] Note: The compasses for… …   The Collaborative International Dictionary of English

• Bow compasses — Compasses Com pass*es, n., pl. An instrument for describing circles, measuring figures, etc., consisting of two, or (rarely) more, pointed branches, or legs, usually joined at the top by a rivet on which they move. [1913 Webster] Note: The… …   The Collaborative International Dictionary of English

• Caliber compasses — Compasses Com pass*es, n., pl. An instrument for describing circles, measuring figures, etc., consisting of two, or (rarely) more, pointed branches, or legs, usually joined at the top by a rivet on which they move. [1913 Webster] Note: The… …   The Collaborative International Dictionary of English

• Caliper compasses — Compasses Com pass*es, n., pl. An instrument for describing circles, measuring figures, etc., consisting of two, or (rarely) more, pointed branches, or legs, usually joined at the top by a rivet on which they move. [1913 Webster] Note: The… …   The Collaborative International Dictionary of English

• Proportional — Compasses Com pass*es, n., pl. An instrument for describing circles, measuring figures, etc., consisting of two, or (rarely) more, pointed branches, or legs, usually joined at the top by a rivet on which they move. [1913 Webster] Note: The… …   The Collaborative International Dictionary of English