From Biology-Online Dictionary | Biology-Online Dictionary


1. Of or pertaining to fate; concerned with destiny.

2. Of or pertaining to witchcraft; caused by, or suggesting, magical influence; supernatural; unearthly; wild; as, a weird appearance, look, sound, etc. Myself too had weird seizures. (Tennyson) Those sweet, low tones, that seemed like a weird incantation. (Longfellow) Weird sisters, the fates.

Shakespeare uses the term for the three witches in Macbeth. The weird sisters, hand in hand, Posters of the sea and land. (Shak)