S: (adj) alternate (alternate%3:00:02:cyclic:01) (every second one of a series) "the cleaning lady comes on alternate Wednesdays"; "jam every other day"- the White Queen
S: (adj) alternate (alternate%3:00:00::) (of leaves and branches etc; first on one side and then on the other in two ranks along an axis; not paired) "stems with alternate leaves"